GRAVITY-1 R/B, 100138
Orbit data source: Space-Track
GRAVITY-1 R/B, 100138 is space debris in SSO originally from a launch on Wed, 22 Jul 2026 UTC launched from the Yellow Sea Launch Area, China (YSLA). 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.
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100138 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Spacecraft
Bus & Motor
Unknown
Mass
1,000 kg wet, 1,000 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
CYL, 3.5 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 GRAVITY-1 R/B
1 A0138U 26168K 26260.22234471 .00030793 00000-0 36017-3 0 9998
2 A0138 97.5306 344.3511 0143497 228.7755 130.1057 15.49889091 8840Epoch: 2026-09-17T05:20Z
TLE epoch observation values (Epoch: 2026-09-17T05:20:10.582Z)
Latitude
-0.00008°
Longitude
-91.85566°
Altitude
483.814 km
Speed
7.588 km/s
True Right ascension
22h 57m 24s
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
02:58:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
511.446 km
Perigee altitude
316.516 km
Semi-major axis
6,792.118 km
Eccentricity
0.01435
Inclination
97.5306°
RAAN
344.3511°
Arg. of periapsis
228.7755°
True anomaly
131.34893°
Mean anomaly
130.1057°
Eccentric anomaly
130.72875°
Mean motion
3.87735 °/min
Orbital period
92.85 mins
BSTAR
0.00036017
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Other satellites on launch #168 in the year 2026 (2026-07-22 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.GRAVITY-1 R/B 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 | 2026-09-18 19:06:22.714Z | 333.579° NNW | 2026-09-18 19:07:22.714Z | 305.454° NW | 29.377° | 2026-09-18 19:10:22.714Z | 225.819° WSW |
| 6 mins | 2026-09-19 05:30:22.714Z | 148.466° SSE | 2026-09-19 05:33:22.714Z | 49.399° ENE | 52.696° | 2026-09-19 05:36:22.714Z | 358.041° N |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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