OBJECT H, 61901

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 H, 61901 is a satellite owned by Yunyao yuhang (CN) in SSO that was launched on Mon, 11 Nov 2024 UTC via a LIJIAN-1 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 URL

https://www.satcat.com/sats-embedded/61901?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

61901, 2024-205H

Orbit

SSO

Last TLE update

2 hours ago

Origin

YYAO (CN / PRC)

Manufacturer

Changguang WJ

Mission

Operational Commercial Weather

Bus & Motor

YY-1, Unknown motor

Mass

~50 kg wet, ~50 kg dry

Launch date (UTC)

2024-11-11 (8 months ago)

Launch vehicle

LIJIAN-1

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 1 Pan, 2.5 m

Radar Cross Section

5.339 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 2 hours ago

0 OBJECT H
1 61901U 24205H   25199.88720542  .00008512  00000-0  37610-3 0  9998
2 61901  97.4460 274.6338 0013495 131.5339 228.7057 15.21886936 37863

Epoch: 2025-07-18T21:17Z

TLE epoch observation values (Epoch: 2025-07-18T21:17:34.548Z)

Latitude

-0.00001°

Longitude

18.30763°

Altitude

509.375 km

Speed

7.606 km/s

True Right ascension

18h 18m 32s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

60.85754°

Longitude

4.90357°

Altitude

507.321 km

Speed

7.618 km/s

Apparent Right ascension

21h 28m 37s

Apparent Declination

19° 04' 14"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:56:00

Azimuth

37.601° NE

Elevation

-21.743°

Doppler factor

Orbital elements

Apogee altitude

506.392 km

Perigee altitude

487.836 km

Semi-major axis

6,875.251 km

Eccentricity

0.00135

Inclination

97.446°

RAAN

274.6338°

Arg. of periapsis

131.5339°

True anomaly

228.58964°

Mean anomaly

228.7057°

Eccentric anomaly

228.64766°

Mean motion

3.80724 °/min

Orbital period

94.56 mins

BSTAR

0.0003761

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Other satellites on launch #205 in the year 2024 (2024-11-11 UTC)

OBJECT H 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 05:18:26.537Z	183.461° SSW	2025-07-19 05:21:26.537Z	262.58° W	39.291°	2025-07-19 05:24:26.537Z	336.655° NNW
5 mins	2025-07-19 18:22:26.537Z	345.631° N	2025-07-19 18:24:26.537Z	297.966° NW	30.081°	2025-07-19 18:27:26.537Z	223.959° SW

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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