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COSMOS 249, 3504

Orbit data source: Space-Track

COSMOS 249, 3504 is a payload satellite owned by PKO (CIS) in LEO that was launched on Sun, 20 Oct 1968 UTC via a TSIKLON-2A launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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.

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<iframe src="https://www.satcat.com/sats-embedded/3504?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/3504?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3504, 1968-091A

Orbit

LEO

Last TLE update

21 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

TSKBM/KB1

Mission

Defense Weapon

Bus & Motor

IS, Unknown motor

Mass

1,400 kg wet, ~1,400 kg dry

Launch date (UTC)

1968-10-20 (57 years ago)

Launch vehicle

TSIKLON-2A

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 4 m

Radar Cross Section

5.596 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 21 hours ago

0 COSMOS 249
1  3504U 68091A   25128.48016245  .00000117  00000-0  75618-4 0  9994
2  3504  62.3553 199.9191 0981852 298.0590  52.4501 12.96904020667619

Epoch: 2025-05-08T11:31Z

Definitive object data (Epoch: 2025-05-08T11:31:26.035Z)

Latitude

0.00001°

Longitude

160.51057°

Altitude

868.645 km

Speed

7.613 km/s

True Right ascension

13h 19m 40s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

45.57616°

Longitude

-169.49946°

Altitude

1,538.809 km

Speed

6.98 km/s

Apparent Right ascension

11h 32m 27s

Apparent Declination

46° 34' 25"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:18:05

Azimuth

302.581° NW

Elevation

39.356°

Doppler factor

Orbital elements

Apogee altitude

2,024.465 km

Perigee altitude

521.966 km

Semi-major axis

7,651.352 km

Eccentricity

0.0981852

Inclination

62.3553°

RAAN

199.9191°

Arg. of periapsis

298.059°

True anomaly

62.04349°

Mean anomaly

52.4501°

Eccentric anomaly

57.1776°

Mean motion

3.24292 °/min

BSTAR

0.000075618

Orbital period

111.01 mins

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Other satellites on launch #91 in the year 1968 (1968-10-20 UTC)

COSMOS 249 DEB, 3608 (Decayed)

COSMOS 249 DEB, 3609

COSMOS 249 DEB, 3677 (Decayed)

COSMOS 249 DEB, 3678 (Decayed)

COSMOS 249 DEB *, 3679

COSMOS 249 DEB *, 3680 (Decayed)

COSMOS 249 DEB *, 3681 (Decayed)

COSMOS 249 DEB, 3682 (Decayed)

COSMOS 249 DEB *, 3683 (Decayed)

COSMOS 249 DEB, 3693 (Decayed)

COSMOS 249 DEB, 3695

COSMOS 249 DEB *, 3697 (Decayed)

COSMOS 249 DEB *, 3699 (Decayed)

COSMOS 249 DEB, 3702 (Decayed)

COSMOS 249 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.
11 mins	2025-05-09 08:08:58.304Z	302.275° NW	2025-05-09 08:10:58.304Z	330.363° NNW	33.532°	2025-05-09 08:19:58.304Z	29.613° NE
14 mins	2025-05-09 10:02:58.304Z	308.324° NW	2025-05-09 10:08:58.304Z	348.45° N	21.24°	2025-05-09 10:16:58.304Z	35.055° NE
16 mins	2025-05-09 12:01:58.304Z	333.153° NNW	2025-05-09 12:08:58.304Z	16.654° NNE	23.999°	2025-05-09 12:17:58.304Z	68.747° E
20 mins	2025-05-09 13:57:58.304Z	331.383° NNW	2025-05-09 14:07:58.304Z	45.673° ENE	39.047°	2025-05-09 14:17:58.304Z	117.371° SE
20 mins	2025-05-09 15:53:58.304Z	316.077° NNW	2025-05-09 16:03:58.304Z	240.027° WSW	40.351°	2025-05-09 16:13:58.304Z	170.385° S
6 mins	2025-05-09 17:53:58.304Z	278.484° WNW	2025-05-09 17:56:58.304Z	262.55° W	12.811°	2025-05-09 17:59:58.304Z	246.182° WSW
7 mins	2025-05-10 04:22:58.304Z	118.657° SE	2025-05-10 04:25:58.304Z	94.119° ESE	14.376°	2025-05-10 04:29:58.304Z	67.609° E
15 mins	2025-05-10 06:12:58.304Z	203.945° SW	2025-05-10 06:18:58.304Z	88.232° E	44.087°	2025-05-10 06:27:58.304Z	37.854° NE

Authenticating...

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Check out COSMOS 249, 3504 on other resources

View COSMOS 249, 3504 on NASA - NSSDCA Website

View COSMOS 249, 3504 on Heavens-Above

View COSMOS 249, 3504 on Keep Track

View COSMOS 249, 3504 on Celestrak

View COSMOS 249, 3504 on Gunter's Space Page

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