SL-3 R/B, 7210

Orbit data source: Space-Track

SL-3 R/B, 7210 is space debris in LEO originally from a launch on Tue, 05 Mar 1974 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/7210?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

7210, 1974-011B

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Progress

Mission

Spacecraft

Bus & Motor

BLOK-E, Unknown motor

Mass

1,440 kg wet, 1,440 kg dry

Launch date (UTC)

1974-03-05 (52 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 SL-3 R/B
1  7210U 74011B   26171.42118000 -.00000058  00000-0 -36218-4 0  9995
2  7210  81.2362  65.0203 0080935  19.4773 340.9461 14.13643309694444

Epoch: 2026-06-20T10:06Z

TLE epoch observation values (Epoch: 2026-06-20T10:06:29.952Z)

Latitude

0.00004°

Longitude

4.75946°

Altitude

794.603 km

Speed

7.485 km/s

True Right ascension

04h 20m 04s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

23:07:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

902.554 km

Perigee altitude

785.647 km

Semi-major axis

7,222.238 km

Eccentricity

0.00809

Inclination

81.2362°

RAAN

65.0203°

Arg. of periapsis

19.4773°

True anomaly

340.64041°

Mean anomaly

340.9461°

Eccentric anomaly

340.79355°

Mean motion

3.53619 °/min

Orbital period

101.8 mins

BSTAR

-0.000036218

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Other satellites on launch #11 in the year 1974 (1974-03-05 UTC)

METEOR 1-16 DEB, 42999

METEOR 1-16, 7209

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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SL-3 R/B Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
7 mins	2026-06-22 16:35:39.040Z	136.165° SSE	2026-06-22 16:38:39.040Z	95.451° ESE	23.015°	2026-06-22 16:42:39.040Z	39.54° NE
7 mins	2026-06-22 18:18:39.040Z	232.972° WSW	2026-06-22 18:21:39.040Z	286.301° WNW	29.896°	2026-06-22 18:25:39.040Z	346.878° N
7 mins	2026-06-23 03:14:39.040Z	32.008° NE	2026-06-23 03:17:39.040Z	69.484° E	19.246°	2026-06-23 03:21:39.040Z	114.621° SE
9 mins	2026-06-23 04:56:39.040Z	336.423° NNW	2026-06-23 05:00:39.040Z	270.402° WNW	38.827°	2026-06-23 05:05:39.040Z	192.44° SSW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out SL-3 R/B, 7210 on other resources

View SL-3 R/B, 7210 on Heavens-Above

View SL-3 R/B, 7210 on Keep Track

View SL-3 R/B, 7210 on Celestrak

View SL-3 R/B, 7210 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SL-3 R/B, 7210

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T10:06:29.952Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #11 in the year 1974 (1974-03-05 UTC)

SL-3 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-3 R/B, 7210 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago