NESS

NORAD 58020· COSPAR 2023-155E· Active satellite· Other / Unclassified· SSO

Launch

Launched on Oct 9, 2023 from Ariane Launch Area 1 (ELV), French Guiana aboard a Vega.

Vega | THEOS-2, TRITON & others →

Live · TLE epoch 2026-09-07 19:04 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

CNES

Country

France

Manufacturer

—

Launched

Oct 9, 2023

Mass

—

Apogee

475 km

Perigee

469 km

Inclination

97.59°

Period

1.56 h

Altitude history

Apogee and perigee for NESS across 14 days of archived orbital elements (15 element sets, one per day).

Trend

Decaying

Change

-1.1 km

Rate

-0.08 km/day

Now

469 × 475 km

Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

Launched with

9 other catalogued objects still in orbit from launch 2023-155 (Vega | THEOS-2, TRITON & others).

THEOS-2 (T2V) · 58016
FORMOSAT-7R (TRITON) · 58017
ANSER FOLLOWER 2 · 58018
ANSER FOLLOWER 1 · 58019
CSC-2 · 58021
CSC-1 · 58022
PRETTY · 58023
MACSAT (FINCH 1) · 58024
PVCC · 58025

Sources & further reading

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