TOMORROW-S12, 100891
AKA "OBJECT J" on Space-Track | Orbit data source: Space-Track
TOMORROW-S12, 100891 is a satellite in SSO that was launched on Thu, 01 Oct 2026 UTC launched from the Air Force Western Test Range (AFWTR). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.
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100891 intel report (Beta)
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Identifier
Orbit
Country
TBDRelated business
None
Manufacturer
Unknown
Mission
Operational spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Unknown
Shape & HBR
Unknown
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 TOMORROW-S12
1 A0891U 26227J 26282.26937985 .00002708 00000-0 14186-3 0 9996
2 A0891 97.4454 351.6494 0001230 43.5559 316.5771 15.16646938 1147Epoch: 2026-10-09T06:27Z
TLE epoch observation values (Epoch: 2026-10-09T06:27:54.419Z)
Latitude
-0.00001°
Longitude
-123.22063°
Altitude
518.452 km
Speed
7.605 km/s
True Right ascension
23h 26m 35s
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
18:23:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
513.803 km
Perigee altitude
512.108 km
Semi-major axis
6,891.092 km
Eccentricity
0.00012
Inclination
97.4454°
RAAN
351.6494°
Arg. of periapsis
43.5559°
True anomaly
316.56741°
Mean anomaly
316.5771°
Eccentric anomaly
316.57226°
Mean motion
3.79412 °/min
Orbital period
94.88 mins
BSTAR
0.00014186
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Other satellites on launch #227 in the year 2026 (2026-10-01 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.TOMORROW-S12 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-10-10 04:45:09.359Z | 165.109° S | 2026-10-10 04:48:09.359Z | 155.177° SSE | 67.807° | 2026-10-10 04:52:09.359Z | 349.273° N |
| 6 mins | 2026-10-10 17:52:09.359Z | 359.215° N | 2026-10-10 17:55:09.359Z | 253.353° W | 53.328° | 2026-10-10 17:58:09.359Z | 206.708° SW |
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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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 descending order |
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