OBJECT B, 47700

Orbit data source: Space-Track

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Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT B, 47700 is a satellite in SSO that was launched on Sun, 28 Feb 2021 UTC launched from the Sirharikota (SRI). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.

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<iframe src="https://www.satcat.com/sats-embedded/47700?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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https://www.satcat.com/sats-embedded/47700?theme=dark&initialShowStats=false

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Identifier

47700, 2021-015B

Orbit

SSO

Country

TBD

Related business

Indian Space Research Organization (IN)

Manufacturer

VSSC/LPSC

Mission

Spacecraft

Bus & Motor

PS-4DL, Unknown motor

Mass

920 kg wet, 920 kg dry

Launch date (UTC)

2021-02-28 (5 years ago)

Launch vehicle

Unknown

Launch site

Sirharikota (SRI)

Object type

Unknown

Shape & HBR

Cyl + Cyl + 2 Nozzle, 1.5 m

Radar Cross Section

3.727 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 OBJECT B
1 47700U 21015B   26137.35078692  .00009166  00000-0  20837-3 0  9991
2 47700  97.1226 172.9054 0023236  28.1234 332.1264 15.42927495289661

Epoch: 2026-05-17T08:25Z

TLE epoch observation values (Epoch: 2026-05-17T08:25:07.989Z)

Latitude

-0.00003°

Longitude

171.56746°

Altitude

426.609 km

Speed

7.663 km/s

True Right ascension

11h 31m 37s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

13:44:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

450.227 km

Perigee altitude

418.568 km

Semi-major axis

6,812.535 km

Eccentricity

0.00232

Inclination

97.1226°

RAAN

172.9054°

Arg. of periapsis

28.1234°

True anomaly

332.00159°

Mean anomaly

332.1264°

Eccentric anomaly

332.06403°

Mean motion

3.85994 °/min

Orbital period

93.27 mins

BSTAR

0.00020837

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Other satellites on launch #15 in the year 2021 (2021-02-28 UTC)

SPACEBEE-80, 47712 (Decayed)

SINE (SINDHUNETRA), 47702 (Decayed)

SPACEBEE-76, 47711 (Decayed)

AMAZONIA 1, 47699

OBJECT U, 47718 (Decayed)

SPACEBEE-78, 47710 (Decayed)

SPACEBEE-77, 47714 (Decayed)

SPACEBEE-82, 47708 (Decayed)

OBJECT S, 47716 (Decayed)

SPACEBEE-84, 47706 (Decayed)

SDSAT, 47721 (Decayed)

NANOCONNECT-2/SAI-1, 47701 (Decayed)

SPACEBEE-81, 47709 (Decayed)

OBJECT T, 47717 (Decayed)

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OBJECT 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.
5 mins	2026-05-18 14:33:22.528Z	42.265° NE	2026-05-18 14:36:22.528Z	107.756° ESE	21.02°	2026-05-18 14:38:22.528Z	147.319° SSE
4 mins	2026-05-19 02:35:22.528Z	184.933° SSW	2026-05-19 02:37:22.528Z	305.261° NW	39.318°	2026-05-19 02:39:22.528Z	339.696° N

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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 OBJECT B, 47700 on other resources

View OBJECT B, 47700 on Heavens-Above

View OBJECT B, 47700 on Keep Track

View OBJECT B, 47700 on Celestrak

View OBJECT B, 47700 on Gunter's Space Page

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

OBJECT B, 47700

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-05-17T08:25:07.989Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #15 in the year 2021 (2021-02-28 UTC)

OBJECT B Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT B, 47700 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago