Showing default

OPS 4078 (DMSP 4B F2), 3510

Orbit data source: Space-Track

OPS 4078 (DMSP 4B F2), 3510 is a payload satellite owned by SAMSO (US) in SSO that was launched on Wed, 23 Oct 1968 UTC via a THOR BURNER 2 launch vehicle from the Air Force Western Test Range (AFWTR). 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/3510?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/3510?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

3510, 1968-092A

Orbit

SSO

Last TLE update

10 hours ago

Origin

USAF Space and Missile Systems Organization (US)

Manufacturer

RCA/East Windsor

Mission

Non-operational Defense Weather

Bus & Motor

DMSP BLOCK 4B, Unknown motor

Mass

79 kg wet, 79 kg dry

Launch date (UTC)

1968-10-23 (57 years ago)

Launch vehicle

THOR BURNER 2

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone, 0.8 m

Radar Cross Section

0.985 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 OPS 4078 (DMSP 4B F2)
1 03510U 68092A   25191.61754546  .00000061  00000-0  41576-4 0  9994
2 03510  98.5333 316.1404 0028700 248.5796 111.2323 14.28094648948492

Epoch: 2025-07-10T14:49Z

TLE epoch observation values (Epoch: 2025-07-10T14:49:15.927Z)

Latitude

-0.00006°

Longitude

165.0428°

Altitude

808.549 km

Speed

7.445 km/s

True Right ascension

21h 04m 33s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-81.37036°

Longitude

-115.01043°

Altitude

807.539 km

Speed

7.459 km/s

Apparent Right ascension

01h 03m 34s

Apparent Declination

-62° 07' 30"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:46:05

Azimuth

185.372° SSW

Elevation

-67.634°

Doppler factor

Orbital elements

Apogee altitude

815.834 km

Perigee altitude

774.658 km

Semi-major axis

7,173.383 km

Eccentricity

0.00287

Inclination

98.5333°

RAAN

316.1404°

Arg. of periapsis

248.5796°

True anomaly

Unknown

Mean anomaly

111.2323°

Eccentric anomaly

Unknown

Mean motion

3.57238 °/min

Orbital period

100.77 mins

BSTAR

0.000041576

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #92 in the year 1968 (1968-10-23 UTC)

THOR BURNER 2 R/B, 3522

OPS 4078 (DMSP 4B F2) 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.
9 mins	2025-07-11 07:45:50.733Z	139.593° SSE	2025-07-11 07:49:50.733Z	76.613° E	36.124°	2025-07-11 07:54:50.733Z	359.558° N
5 mins	2025-07-11 09:27:50.733Z	237.452° WSW	2025-07-11 09:29:50.733Z	266.578° W	19.78°	2025-07-11 09:32:50.733Z	306.769° NW
5 mins	2025-07-11 20:01:50.733Z	60.526° ENE	2025-07-11 20:03:50.733Z	86.553° E	17.349°	2025-07-11 20:06:50.733Z	126.509° SE
8 mins	2025-07-11 21:40:50.733Z	356.337° N	2025-07-11 21:43:50.733Z	302.2° NW	38.111°	2025-07-11 21:48:50.733Z	214.214° SW

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 OPS 4078 (DMSP 4B F2), 3510 on other resources

View OPS 4078 (DMSP 4B F2), 3510 on NASA - NSSDCA Website

View OPS 4078 (DMSP 4B F2), 3510 on Heavens-Above

View OPS 4078 (DMSP 4B F2), 3510 on Keep Track

View OPS 4078 (DMSP 4B F2), 3510 on Celestrak

View OPS 4078 (DMSP 4B F2), 3510 on Gunter's Space Page

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