ANSER FOLLOWER 1

NORAD 58019· COSPAR 2023-155D· 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 2026-10-24 06:43 UTC

Orbit class

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

Operator

INTA

Country

Spain

Manufacturer

—

Launched

Oct 9, 2023

Mass

—

Apogee

381 km

Perigee

379 km

Inclination

97.55°

Period

1.53 h

Altitude history

Apogee and perigee for ANSER FOLLOWER 1 across 59 days of archived orbital elements (60 element sets, one per day).

Trend

Decaying

Change

-21.1 km

Rate

-0.36 km/day

Now

379 × 381 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
NESS · 58020
CSC-2 · 58021
CSC-1 · 58022
PRETTY · 58023
MACSAT (FINCH 1) · 58024
PVCC · 58025

Sources & further reading

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