OBJECT D, 61872

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 D, 61872 is a satellite owned by Hangtian Hongtu (CN) in SSO that was launched on Sat, 09 Nov 2024 UTC via a CHANG ZHENG 2C launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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/61872?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/61872?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

61872, 2024-203D

Orbit

SSO

Last TLE update

9 hours ago

Origin

PIESAT Information Technology Co. Ltd. (CN / PRC)

Manufacturer

Yinhe

Mission

Operational Commercial Radar Imaging

Bus & Motor

PIESAT, Unknown motor

Mass

270 kg wet, 270 kg dry

Launch date (UTC)

2024-11-09 (8 months ago)

Launch vehicle

CHANG ZHENG 2C

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 2 Pan, 2.0 m

Radar Cross Section

2.315 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 OBJECT D
1 61872U 24203D   25199.57078576  .00007182  00000-0  34030-3 0  9997
2 61872  97.4676 267.2726 0014881  78.7095 281.5811 15.19519864 38124

Epoch: 2025-07-18T13:41Z

TLE epoch observation values (Epoch: 2025-07-18T13:41:55.889Z)

Latitude

-0.00004°

Longitude

125.16939°

Altitude

508.336 km

Speed

7.611 km/s

True Right ascension

17h 49m 05s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-35.76144°

Longitude

130.9407°

Altitude

524.925 km

Speed

7.597 km/s

Apparent Right ascension

20h 46m 36s

Apparent Declination

-45° 59' 20"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

11:48:57

Azimuth

115.771° SE

Elevation

-56.557°

Doppler factor

Orbital elements

Apogee altitude

514.501 km

Perigee altitude

494.018 km

Semi-major axis

6,882.397 km

Eccentricity

0.00149

Inclination

97.4676°

RAAN

267.2726°

Arg. of periapsis

78.7095°

True anomaly

281.41399°

Mean anomaly

281.5811°

Eccentric anomaly

281.49755°

Mean motion

3.80131 °/min

Orbital period

94.7 mins

BSTAR

0.0003403

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Other satellites on launch #203 in the year 2024 (2024-11-09 UTC)

OBJECT D 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.
6 mins	2025-07-19 04:03:25.105Z	134.689° SE	2025-07-19 04:06:25.105Z	70.229° E	28.634°	2025-07-19 04:09:25.105Z	9.18° NNE
5 mins	2025-07-19 17:08:25.105Z	28.927° NE	2025-07-19 17:10:25.105Z	74.204° E	36.665°	2025-07-19 17:13:25.105Z	171.964° S

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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Authenticating...

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View OBJECT D, 61872 on Gunter's Space Page

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