Showing default

YAOGAN 27, 40878

Orbit data source: Space-Track

YAOGAN 27, 40878 is a payload satellite owned by PLA GAD (CN) in SSO that was launched on Thu, 27 Aug 2015 UTC via a CHANG ZHENG 4C launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/40878?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/40878?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

40878, 2015-040A

Orbit

SSO

Last TLE update

6 hours ago

Origin

Equipment Development Department of the Central Military Commission (China) (CN / PRC)

Manufacturer

SAST

Mission

Operational Defense Imaging

Bus & Motor

JB-9, Unknown motor

Mass

1,040 kg wet, 1,040 kg dry

Launch date (UTC)

2015-08-27 (10 years ago)

Launch vehicle

CHANG ZHENG 4C

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 2.5 m

Radar Cross Section

4.795 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 YAOGAN 27
1 40878U 15040A   25216.17186238  .00000013  00000-0  14442-3 0  9991
2 40878 100.0898 211.7280 0007647 222.7968 137.2551 13.16052178477462

Epoch: 2025-08-04T04:07Z

TLE epoch observation values (Epoch: 2025-08-04T04:07:28.909Z)

Latitude

-0.00004°

Longitude

-163.1256°

Altitude

1,206.82 km

Speed

7.249 km/s

True Right ascension

14h 06m 54s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-11.32223°

Longitude

15.09895°

Altitude

1,199.754 km

Speed

7.256 km/s

Apparent Right ascension

04h 13m 39s

Apparent Declination

-57° 39' 22"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:26:35

Azimuth

151.844° SSE

Elevation

-18.495°

Doppler factor

Orbital elements

Apogee altitude

1,202.997 km

Perigee altitude

1,191.411 km

Semi-major axis

7,575.341 km

Eccentricity

0.00076

Inclination

100.0898°

RAAN

211.728°

Arg. of periapsis

222.7968°

True anomaly

137.31453°

Mean anomaly

137.2551°

Eccentric anomaly

137.28482°

Mean motion

3.29185 °/min

Orbital period

109.36 mins

BSTAR

0.00014442

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #40 in the year 2015 (2015-08-27 UTC)

CZ-4C R/B, 40879

CZ-4C DEB, 43424

CZ-4C DEB, 43425

YAOGAN 27 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.
13 mins	2025-08-04 12:02:04.474Z	28.719° NE	2025-08-04 12:08:04.474Z	94.489° ESE	36.404°	2025-08-04 12:15:04.474Z	172.727° S
10 mins	2025-08-04 13:51:04.474Z	350.216° N	2025-08-04 13:56:04.474Z	292.659° NW	28.634°	2025-08-04 14:01:04.474Z	241.078° WSW
11 mins	2025-08-04 22:31:04.474Z	117.219° SE	2025-08-04 22:36:04.474Z	60.972° ENE	29.097°	2025-08-04 22:42:04.474Z	2.689° NNE
12 mins	2025-08-05 00:18:04.474Z	192.813° SSW	2025-08-05 00:23:04.474Z	251.104° W	36.012°	2025-08-05 00:30:04.474Z	332.259° NNW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

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 YAOGAN 27, 40878 on other resources

View YAOGAN 27, 40878 on NASA - NSSDCA Website

View YAOGAN 27, 40878 on Heavens-Above

View YAOGAN 27, 40878 on Keep Track

View YAOGAN 27, 40878 on Celestrak

View YAOGAN 27, 40878 on Gunter's Space Page

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