DELTA 1 R/B, 7735

Orbit data source: Space-Track

DELTA 1 R/B, 7735 is space debris in LEO originally from a launch on Wed, 09 Apr 1975 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

Loading next visibility...
Identifier
7735, 1975-027B
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
MDAC-HB
Mission
Spacecraft
Bus & Motor
DELTA/TR-201, Unknown motor
Mass
845 kg wet, 845 kg dry
Launch date (UTC)
1975-04-09 (50 years ago)
Launch vehicle
Unknown
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 1 Nozzle, 6.39 m
Radar Cross Section
7.796 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago
0 DELTA 1 R/B
1 07735U 75027B   25189.63727637 -.00000074  00000-0  44046-4 0  9993
2 07735 114.9782  60.8578 0036443 352.8316   7.2241 14.25449397609502
Epoch: 2025-07-08T15:17Z
TLE epoch observation values (Epoch: 2025-07-08T15:17:40.678Z)
Latitude
-0.00004°
Longitude
-95.39108°
Altitude
782.973 km
Speed
7.476 km/s
True Right ascension
04h 03m 25s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
21.68501°
Longitude
-103.07997°
Altitude
786.35 km
Speed
7.475 km/s
Apparent Right ascension
00h 57m 51s
Apparent Declination
-28° 46' 53"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
04:50:46
Azimuth
228.236° WSW
Elevation
2.579°
Doppler factor
1
Orbital elements
Apogee altitude
831.741 km
Perigee altitude
779.382 km
Semi-major axis
7,183.698 km
Eccentricity
0.00364
Inclination
114.9782°
RAAN
60.8578°
Arg. of periapsis
352.8316°
True anomaly
Unknown
Mean anomaly
7.2241°
Eccentric anomaly
Unknown
Mean motion
3.56468 °/min
Orbital period
100.99 mins
BSTAR
0.000044046
Loading maneuver chart data...
Loading SW <> Apogee altitude chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #27 in the year 1975 (1975-04-09 UTC)

DELTA 1 R/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.
9 mins2025-07-10 04:54:45.650Z50.643° ENE2025-07-10 04:59:45.650Z135.284° SSE33.771°2025-07-10 05:03:45.650Z188.958° SSW
8 mins2025-07-10 06:33:45.650Z10.064° NNE2025-07-10 06:36:45.650Z323.352° NNW29.335°2025-07-10 06:41:45.650Z252.002° W
5 mins2025-07-10 12:59:45.650Z63.512° ENE2025-07-10 13:01:45.650Z34.664° NE17.902°2025-07-10 13:04:45.650Z356.871° N
8 mins2025-07-10 14:35:45.650Z143.522° SSE2025-07-10 14:38:45.650Z142.387° SSE44.736°2025-07-10 14:43:45.650Z325.03° NNW
|