MEASAT-3B

MEASAT-3b is a Malaysian commercial communications satellite operated by MEASAT Satellite Systems, currently in geostationary orbit above the equator. Assigned NORAD catalog number 40147 and international designator 2014-054B, the spacecraft was launched on September 10, 2014, and remains operational as of this writing. With a liftoff mass of 5,897 kilograms, it represents one of the more substantial commercial payloads in the Asia-Pacific geostationary arc and plays a central role in delivering broadcast and data services across a wide swath of the region.

Mission and Purpose

MEASAT-3b was conceived as a high-capacity expansion platform, aimed at dramatically increasing the Ku-band broadcast and broadband capacity available to MEASAT's customers across Malaysia, South Asia — particularly India — Indonesia, and Australia. Its complement of 48 Ku-band transponders more than doubled the Ku-band capacity that MEASAT had previously operated, enabling a significant scaling of direct-to-home television, video distribution, and broadband data services across the region. The satellite is designed to reach more than 18 million households within its coverage footprint, serving some of Asia's most competitive and rapidly growing media markets.

The satellite was designed with a mission life exceeding 15 years, reflecting the long-term investment outlook typical of large geostationary communications platforms. The total investment associated with the satellite was approximately MYR 1.25 billion — equivalent at the time to roughly $370 million USD — underscoring the commercial ambition behind the program.

In addition to its primary regional markets, the satellite was designed to support a fourth market territory, extending the commercial reach of its capacity. Notably, Australian satellite operator NewSat Ltd. announced in early 2012 that it had agreed to lease an undisclosed number of Ku-band transponders aboard the satellite, which it intended to market under the name Jabiru 2 for the Australian market. This arrangement illustrated how large geostationary platforms of this type are often partially pre-committed to anchor customers years before launch, helping to justify the substantial capital outlay involved.

MEASAT-3b is co-located at 91.5 degrees east longitude with two sibling satellites, MEASAT-3 and MEASAT-3a, forming a cluster at a single orbital slot that concentrates a considerable amount of regional broadcast infrastructure at one location. Co-location at a shared longitude allows broadcasters and service providers to point fixed antennas at a single position in the sky while accessing capacity from multiple spacecraft simultaneously, a practical advantage that makes the 91.5°E slot a particularly valuable piece of orbital real estate for the region.

Orbit and Tracking

MEASAT-3b occupies a near-perfect geostationary orbit, characterized by an apogee of 35,809 km and a perigee of 35,782 km above Earth's surface. The extremely small difference between these two figures — just 27 km — indicates an orbit that is very close to circular, as is expected for an operational geostationary satellite that has completed its on-orbit drift and stationkeeping maneuvers. Its orbital inclination is 0.1 degrees, meaning it sits almost exactly over the equatorial plane with only the slightest residual tilt.

The satellite completes one orbit every 1,436.2 minutes — almost precisely 24 hours. This near-perfect match with Earth's own rotation rate is the defining characteristic of a geostationary orbit: from the ground, the satellite appears essentially stationary in the sky, making it ideal for fixed broadcast antennas that require no tracking. The slight deviation from an exactly 24-hour period and the minimal inclination are the practical result of ongoing stationkeeping operations and the inherent tolerances of orbital mechanics.

From a tracking perspective, MEASAT-3b sits within the geostationary belt at approximately 35,800 km altitude — far above the International Space Station's orbit and entirely outside the bands used by most low Earth orbit and medium Earth orbit satellites. Objects in this regime move so slowly relative to Earth's surface that they appear as essentially fixed points, not moving targets, when observed over short timescales. Tracking services catalog the satellite primarily for housekeeping, collision-avoidance monitoring, and spectrum management purposes rather than for dynamic passage prediction.

The satellite is listed in the LowEarth catalog under NORAD ID 40147 and may be identified in Two-Line Element sets and orbital databases under either MEASAT-3B or the alternate designation MEASAT-3b.

Design and Operator

MEASAT-3b was manufactured by Astrium — now part of Airbus Defence and Space — and is built on the Eurostar platform, a well-established and widely flown spacecraft bus used for numerous commercial geostationary satellites. The Eurostar heritage brings a proven design approach to the spacecraft's power, propulsion, and thermal management systems, which is a significant consideration given the investment involved and the lengthy operational lifetime required.

In its stowed launch configuration, the spacecraft measures 6.6 by 2.8 by 2.3 meters — compact enough to fit within a launch vehicle fairing. Once in orbit and fully deployed, however, the satellite extends to a span of 39.4 meters, primarily reflecting the reach of its solar array wings, which provide the electrical power to sustain the Ku-band payload and associated systems across a multi-decade operational life. The spacecraft is three-axis stabilized, meaning it actively maintains a fixed orientation in space using reaction wheels and thruster firings rather than relying on passive spin stabilization. This approach allows the antennas and solar arrays to be precisely pointed at their respective targets simultaneously.

MEASAT Satellite Systems is a Malaysian satellite operator. The company is based in Malaysia and operates the MEASAT series of orbital assets, with the satellite's owner country recorded as Malaysia in international registries. MEASAT-3b is the fifth MEASAT satellite to have been placed into orbit, representing the continued build-out of a national and regional satellite infrastructure that the company has pursued over multiple decades.

The satellite's specific mission type and current operational status are not detailed in the public orbital catalog record. However, given that the spacecraft has not reentered and was designed for a service life exceeding 15 years from its 2014 launch, it can be reasonably stated that it remains well within its intended operational window at the time of this writing.

Significance and Context

The launch and commissioning of MEASAT-3b marked a meaningful step in the development of Malaysia's satellite communications sector and in the broader regional media and broadband landscape. The more-than-doubling of MEASAT's Ku-band transponder capacity at a single orbital slot reflected the rapid growth of direct-to-home television and broadband internet demand across South and Southeast Asia in the early 2010s. By co-locating the spacecraft with its predecessors at 91.5°E, MEASAT was able to leverage an existing, well-established orbital position and the installed base of consumer antennas already pointed at that location, reducing friction for new service rollouts.

The satellite's footprint, spanning Malaysia, India, Indonesia, and Australia, placed it at the intersection of some of the world's fastest-growing media consumption markets. India in particular was experiencing explosive growth in DTH television subscriber numbers during this period, and additional Ku-band capacity at a recognized orbital position was a commercially attractive proposition for broadcasters seeking to reach that audience. Australia, served in part through the NewSat Jabiru 2 transponder lease arrangement, represented a smaller but higher-revenue-per-user market at the other end of the coverage arc.

More broadly, MEASAT-3b exemplifies the class of large, multi-transponder Ku-band geostationary satellites that defined commercial satellite communications investment in the 2010s — high-capital, long-duration assets providing managed capacity to broadcasters, internet service providers, and enterprise data users in regions where terrestrial infrastructure remained uneven or insufficient. Its 5,897 kg mass places it comfortably among the heavier commercial communications payloads of its generation, consistent with the large solar arrays and extensive transponder count required to support such a capacity-dense mission.

The satellite's orbital longevity — still in orbit as cataloged — means it continues to represent an active piece of regional communications infrastructure nearly a decade after its launch, with a designed operational life that extends well into the 2030s. Its status in the geostationary arc at 91.5°E can be monitored through satellite tracking databases, and its technical frequency and EIRP characteristics are documented in publicly accessible satellite frequency resources.