MONITOR-3 (RS58S)
Launch
Launched on Jun 27, 2023 from Cosmodrome Site 1S, Russia aboard a Soyuz 2.1b Fregat-M.
Soyuz 2.1b/Fregat-M | Meteor-M No.2-3 & others →Live · TLE epoch 2026-09-08 22:10 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
Russian / Soviet Government
Country
Russia
Manufacturer
—
Launched
Jun 27, 2023
Mass
—
Apogee
490 km
Perigee
474 km
Inclination
97.50°
Period
1.57 h
Altitude history
Apogee and perigee for MONITOR-3 (RS58S) across 103 days of archived orbital elements (104 element sets, one per day).
Trend
Decaying
Change
-5.7 km
Rate
-0.06 km/day
Now
474 × 490 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
38 other catalogued objects still in orbit from launch 2023-091 (Soyuz 2.1b/Fregat-M | Meteor-M No.2-3 & others).
- METEOR-M2 3 · 57166
- POLYTECH-UNIVERSE 3 (R*) · 57191
- SITRO-AIS 6 (CHIRKIN) · 57192
- SITRO-AIS 8 (ANOKHIN) · 57193
- SITRO-AIS 7 (FARTUSHNIY) · 57194
- AVION KALUGA 650 · 57195
- HORS 2 · 57196
- A-SEANSAT-PG1 · 57197
- SITRO-AIS 10 (BURDAEV) · 57199
- 2023-091AL · 57200
- SITRO-AIS 9 (SHCHUKIN) · 57201
- CSTP 1.1 (STC 1.1) · 57202
- UTMN 2 (RS27S) · 57203
- SITRO-AIS 12 (SMIRENNIY) · 57204
- 2023-091AS · 57206
- SITRO-AIS 11 (SHEFFER) · 57208
- KUZGTU 1 (RS47S) · 57217
- 2023-091C · 57168
- 2023-091D · 57169
- 2023-091E · 57170
- 2023-091F · 57171
- UMKA 1 (RS40S) · 57172
- 2023-091H · 57173
- 2023-091J · 57174
…and 14 more from this launch.
Sources & further reading
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