GRACE-FO 1, 43476
Orbit data source: Space-Track
GRACE-FO 1, 43476 is an American payload satellite in LEO that was launched on Tue, 22 May 2018 UTC via an FALCON 9 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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
43476 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
ADS/Bremen
Mission
Operational Civil Science
Bus & Motor
FLEXBUS, N2 AOCS
Mass
600 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Half Hex Poly, 1.9 m
Radar Cross Section
5.603 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 GRACE-FO 1
1 43476U 18047A 25328.11937014 .00004959 00000-0 13914-3 0 9998
2 43476 88.9869 226.1950 0011043 174.3882 185.7498 15.36294558418295Epoch: 2025-11-24T02:51Z
TLE epoch observation values (Epoch: 2025-11-24T02:51:53.580Z)
Latitude
-0.00002°
Longitude
119.89783°
Altitude
467.808 km
Speed
7.628 km/s
True Right ascension
15h 04m 46s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
10:47:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
461.409 km
Perigee altitude
446.32 km
Semi-major axis
6,832.002 km
Eccentricity
0.0011
Inclination
88.9869°
RAAN
226.195°
Arg. of periapsis
174.3882°
True anomaly
185.73714°
Mean anomaly
185.7498°
Eccentric anomaly
185.74347°
Mean motion
3.84345 °/min
Orbital period
93.67 mins
BSTAR
0.00013914
Loading maneuver chart data...
Computing Atmospheric mass density...
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 #47 in the year 2018 (2018-05-22 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.GRACE-FO 1 Visibility forecast
Loading observer location...
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 | 2025-11-24 17:04:58.051Z | 117.783° SE | 2025-11-24 17:06:58.051Z | 73.799° E | 18.735° | 2025-11-24 17:08:58.051Z | 36.004° NE |
| 5 mins | 2025-11-25 06:00:58.051Z | 337.703° N | 2025-11-25 06:02:58.051Z | 269.559° W | 35.012° | 2025-11-25 06:05:58.051Z | 202.235° SSW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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 |
|---|