SL-3 R/B, 877

Orbit data source: Space-Track

SL-3 R/B, 877 is space debris in LEO originally from a launch on Fri, 28 Aug 1964 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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Identifier
877, 1964-053B
Orbit
LEO
Last TLE update
16 hours ago
Origin
Manufacturer
Progress
Mission
Spacecraft
Bus & Motor
BLOK-E, Unknown motor
Mass
1,440 kg wet, 1,440 kg dry
Launch date (UTC)
1964-08-28 (61 years ago)
Launch vehicle
Unknown
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 3.8 m
Radar Cross Section
10.414 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago
0 SL-3 R/B
1   877U 64053B   25109.20561372  .00000503  00000-0  12473-3 0  9991
2   877  65.0775 202.2269 0049502  57.2628 303.3229 14.61034185219385
Epoch: 2025-04-19T04:56Z
Definitive object data (Epoch: 2025-04-19T04:56:05.025Z)
Latitude
-0.00001°
Longitude
-79.34619°
Altitude
672.741 km
Speed
7.531 km/s
True Right ascension
13h 28m 54s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude
-62.73128°
Longitude
162.42857°
Altitude
745.497 km
Speed
7.464 km/s
Apparent Right ascension
13h 17m 47s
Apparent Declination
-76° 26' 51"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
03:46:08
Azimuth
167.273° S
Elevation
-50.1°
Doppler factor
1
Orbital elements
Apogee altitude
723.366 km
Perigee altitude
653.405 km
Semi-major axis
7,066.522 km
Eccentricity
0.0049502
Inclination
65.0775°
RAAN
202.2269°
Arg. of periapsis
57.2628°
True anomaly
302.8473°
Mean anomaly
303.3229°
Eccentric anomaly
303.08526°
Mean motion
3.65371 °/min
BSTAR
0.00012473
Orbital period
98.53 mins
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Other satellites on launch #53 in the year 1964 (1964-08-28 UTC)

SL-3 R/B Visibility forecast

Observer location: undefined°, undefined°

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.
8 mins2025-04-20 07:20:47.314Z187.321° SSW2025-04-20 07:24:47.314Z110.394° ESE36.428°2025-04-20 07:28:47.314Z43.943° NE
6 mins2025-04-20 09:03:47.314Z274.108° WNW2025-04-20 09:05:47.314Z304.647° NW19.835°2025-04-20 09:09:47.314Z3.842° NNE
7 mins2025-04-20 15:58:47.314Z357.425° N2025-04-20 16:01:47.314Z64.855° ENE30.883°2025-04-20 16:05:47.314Z119.975° SE
6 mins2025-04-20 17:39:47.314Z293.824° NW2025-04-20 17:42:47.314Z243.995° WSW23.341°2025-04-20 17:45:47.314Z199.052° SSW
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