OBJECT B, 49316

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 B, 49316 is a Chinese satellite in SSO that was launched on Thu, 14 Oct 2021 UTC via a CHANG ZHENG 2D launch vehicle from the Taiyaun Space Center, China (TSC). 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/49316?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/49316?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

49316, 2021-091B

Orbit

SSO

Last TLE update

10 hours ago

Origin

Nanjing University (CN / PRC)

Manufacturer

SAST

Mission

Operational Amateur Astronomy

Bus & Motor

CHASE, Unknown motor

Mass

500 kg wet, 500 kg dry

Launch date (UTC)

2021-10-14 (4 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Taiyaun Space Center, China (TSC)

Object type

Unknown

Shape & HBR

Box + 2 Pan, 5 m

Radar Cross Section

3.585 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 OBJECT B
1 49316U 21091B   25169.17160883  .00002341  00000-0  11955-3 0  9997
2 49316  97.4507 357.3809 0011895 181.8177 178.3016 15.17631947203756

Epoch: 2025-06-18T04:07Z

TLE epoch observation values (Epoch: 2025-06-18T04:07:07.002Z)

Latitude

-0°

Longitude

28.94425°

Altitude

524.281 km

Speed

7.597 km/s

True Right ascension

23h 49m 31s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

38.67193°

Longitude

-144.6663°

Altitude

512.15 km

Speed

7.615 km/s

Apparent Right ascension

12h 37m 19s

Apparent Declination

1° 11' 36"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:01:47

Azimuth

9.253° NNE

Elevation

-48.512°

Doppler factor

Orbital elements

Apogee altitude

518.164 km

Perigee altitude

501.777 km

Semi-major axis

6,888.108 km

Eccentricity

0.00119

Inclination

97.4507°

RAAN

357.3809°

Arg. of periapsis

181.8177°

True anomaly

Unknown

Mean anomaly

178.3016°

Eccentric anomaly

Unknown

Mean motion

3.79659 °/min

Orbital period

94.82 mins

BSTAR

0.00011955

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #91 in the year 2021 (2021-10-14 UTC)

OBJECT A, 49315 (Decayed)

OBJECT C, 49317

OBJECT D, 49318

OBJECT E, 49319

OBJECT F, 49320 (Decayed)

OBJECT G, 49321

OBJECT H, 49322 (Decayed)

OBJECT J, 49323 (Decayed)

OBJECT K, 49324 (Decayed)

OBJECT L, 49325 (Decayed)

OBJECT 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.
6 mins	2025-06-19 01:14:58.271Z	18.685° NNE	2025-06-19 01:17:58.271Z	64.877° ENE	41.029°	2025-06-19 01:20:58.271Z	180.734° SSW
4 mins	2025-06-19 11:55:58.271Z	102.592° ESE	2025-06-19 11:56:58.271Z	77.667° E	23.838°	2025-06-19 11:59:58.271Z	16.778° NNE

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out OBJECT B, 49316 on other resources

View OBJECT B, 49316 on Heavens-Above

View OBJECT B, 49316 on Keep Track

View OBJECT B, 49316 on Celestrak

View OBJECT B, 49316 on Gunter's Space Page

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