OBJECT F, 61899

Orbit data source: Space-Track

You're viewing an Uncataloged Satellite

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

OBJECT F, 61899 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/61899?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

61899, 2024-205F

Orbit

SSO

Last TLE update

4 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 4 hours ago

0 OBJECT F
1 61899U 24205F   25199.83727143  .00007982  00000-0  43680-3 0  9997
2 61899  97.4467 273.4966 0014525  67.1532 293.1232 15.14421923 37789

Epoch: 2025-07-18T20:05Z

TLE epoch observation values (Epoch: 2025-07-18T20:05:40.251Z)

Latitude

-0.00005°

Longitude

35.19589°

Altitude

521.891 km

Speed

7.605 km/s

True Right ascension

18h 13m 59s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

73.58991°

Longitude

9.14709°

Altitude

525.459 km

Speed

7.613 km/s

Apparent Right ascension

22h 49m 39s

Apparent Declination

30° 19' 09"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:23:24

Azimuth

20.981° NNE

Elevation

-16.471°

Doppler factor

Orbital elements

Apogee altitude

529.728 km

Perigee altitude

509.69 km

Semi-major axis

6,897.846 km

Eccentricity

0.00145

Inclination

97.4467°

RAAN

273.4966°

Arg. of periapsis

67.1532°

True anomaly

292.97002°

Mean anomaly

293.1232°

Eccentric anomaly

293.04662°

Mean motion

3.78855 °/min

Orbital period

95.02 mins

BSTAR

0.0004368

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

OBJECT F 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.
4 mins	2025-07-19 04:10:46.419Z	108.632° ESE	2025-07-19 04:12:46.419Z	67.955° E	19.916°	2025-07-19 04:14:46.419Z	28.527° NE
4 mins	2025-07-19 05:45:46.419Z	239.887° WSW	2025-07-19 05:46:46.419Z	264.031° W	21.407°	2025-07-19 05:49:46.419Z	318.417° NNW
5 mins	2025-07-19 17:17:46.419Z	47.678° ENE	2025-07-19 17:19:46.419Z	101.833° ESE	28.574°	2025-07-19 17:22:46.419Z	160.953° 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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Check out OBJECT F, 61899 on other resources

View OBJECT F, 61899 on Heavens-Above

View OBJECT F, 61899 on Keep Track

View OBJECT F, 61899 on Celestrak

View OBJECT F, 61899 on Gunter's Space Page

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