OBJECT C, 42827

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 C, 42827 is a satellite in SSO that was launched on Fri, 14 Jul 2017 UTC via a SOYUZ-2-1A launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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/42827?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/42827?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42827, 2017-042C

Orbit

SSO

Country

TBD

Related business

None

Manufacturer

Unknown

Mission

Non-operational Amateur Technology

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2017-07-14 (9 years ago)

Launch vehicle

SOYUZ-2-1A

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Unknown

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 OBJECT C
1 42827U 17042C   26127.97813012  .00011177  00000-0  45136-3 0  9995
2 42827  97.4103 303.8555 0008617 210.0968 149.9776 15.24906424481706

Epoch: 2026-05-07T23:28Z

TLE epoch observation values (Epoch: 2026-05-07T23:28:30.442Z)

Latitude

0.00002°

Longitude

85.91214°

Altitude

499.291 km

Speed

7.612 km/s

True Right ascension

20h 15m 25s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

21:56:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

493.942 km

Perigee altitude

482.109 km

Semi-major axis

6,866.163 km

Eccentricity

0.00086

Inclination

97.4103°

RAAN

303.8555°

Arg. of periapsis

210.0968°

True anomaly

150.02696°

Mean anomaly

149.9776°

Eccentric anomaly

150.00228°

Mean motion

3.8148 °/min

Orbital period

94.37 mins

BSTAR

0.00045136

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Other satellites on launch #42 in the year 2017 (2017-07-14 UTC)

NORSAT 2, 42828

LEMUR 2 MONSON, 42839

LEMUR 2 ZACHARY, 42845

LEMUR 2 ARTFISCHER, 42881 (Decayed)

FLOCK 2K 47, 42854 (Decayed)

CORVUS BC1, 42847

FLOCK 2K 12, 42893 (Decayed)

TECHNOSAT, 42829

NANOACE, 42844

FLOCK 2K 37, 42867 (Decayed)

OBJECT J, 42833

NORSAT 1, 42826

LEMUR 2 GREENBERG, 42837

FLOCK 2K 40, 42865 (Decayed)

OBJECT AA, 42849

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OBJECT C Visibility forecast

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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	2026-05-08 23:40:39.791Z	53.235° ENE	2026-05-08 23:42:39.791Z	87.869° E	16.028°	2026-05-08 23:44:39.791Z	126.576° SE
4 mins	2026-05-09 01:14:39.791Z	333.257° NNW	2026-05-09 01:16:39.791Z	284.366° WNW	23.989°	2026-05-09 01:18:39.791Z	240.107° WSW
5 mins	2026-05-09 11:50:39.791Z	175.692° S	2026-05-09 11:52:39.791Z	313.505° NW	43.156°	2026-05-09 11:55:39.791Z	344.965° N

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out OBJECT C, 42827 on other resources

View OBJECT C, 42827 on Heavens-Above

View OBJECT C, 42827 on Keep Track

View OBJECT C, 42827 on Celestrak

View OBJECT C, 42827 on Gunter's Space Page

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

OBJECT C, 42827

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-05-07T23:28:30.442Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #42 in the year 2017 (2017-07-14 UTC)

OBJECT C Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT C, 42827 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago