SL-8 R/B, 9848

Orbit data source: Space-Track

SL-8 R/B, 9848 is space debris in LEO originally from a launch on Mon, 21 Feb 1977 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/9848?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

9848, 1977-013B

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Omsk Av. Zav.

Mission

Spacecraft

Bus & Motor

S3, Unknown motor

Mass

1,434 kg wet, 1,434 kg dry

Launch date (UTC)

1977-02-21 (50 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 SL-8 R/B
1 09848U 77013B   26317.96284071  .00000144  00000-0  13324-3 0  9998
2 09848  82.9494 320.6532 0016689  11.5796  14.6480 13.75773425495541

Epoch: 2026-11-13T23:06Z

TLE epoch observation values (Epoch: 2026-11-13T23:06:29.437Z)

Latitude

26.09539°

Longitude

-75.58899°

Altitude

970.202 km

Speed

7.375 km/s

True Right ascension

21h 36m 25s

True Declination

25° 57' 49"

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

03:29:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

988.337 km

Perigee altitude

963.79 km

Semi-major axis

7,354.201 km

Eccentricity

0.00167

Inclination

82.9494°

RAAN

320.6532°

Arg. of periapsis

11.5796°

True anomaly

14.69646°

Mean anomaly

14.648°

Eccentric anomaly

14.67222°

Mean motion

3.44144 °/min

Orbital period

104.61 mins

BSTAR

0.00013324

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Other satellites on launch #13 in the year 1977 (1977-02-21 UTC)

COSMOS 894 DEB, 45506

COSMOS 894, 9846

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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-8 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.
12 mins	2026-11-14 11:46:13.550Z	2.963° NNE	2026-11-14 11:52:13.550Z	75.8° E	51.664°	2026-11-14 11:58:13.550Z	154.106° SSE
7 mins	2026-11-14 13:34:13.550Z	312.771° NW	2026-11-14 13:37:13.550Z	277.117° WNW	22.896°	2026-11-14 13:41:13.550Z	232.307° WSW
5 mins	2026-11-14 23:35:13.550Z	99.147° ESE	2026-11-14 23:37:13.550Z	76.771° E	16.185°	2026-11-14 23:40:13.550Z	46.925° ENE
10 mins	2026-11-15 01:17:13.550Z	198.178° SSW	2026-11-15 01:21:13.550Z	257.157° W	68.4°	2026-11-15 01:27:13.550Z	1.592° NNE

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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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Check out SL-8 R/B, 9848 on other resources

View SL-8 R/B, 9848 on Heavens-Above

View SL-8 R/B, 9848 on Keep Track

View SL-8 R/B, 9848 on Celestrak

View SL-8 R/B, 9848 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-8 R/B, 9848

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-11-13T23:06:29.437Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #13 in the year 1977 (1977-02-21 UTC)

SL-8 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 R/B, 9848 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago