SNAP-3 ALICE, 40970
Orbit data source: Space-Track
SNAP-3 ALICE, 40970 is a payload satellite owned by SMDC (US) in LEO that was launched on Thu, 08 Oct 2015 UTC via an ATLAS V 401 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
40970 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Duocomm Miltec
Mission
Operational Defense Communications
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
5.3 kg wet, 5.3 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 8 Pan, 0.3 m
Radar Cross Section
0.085 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 SNAP-3 ALICE
1 40970U 15058G 25259.56900066 .00027471 00000-0 10200-2 0 9990
2 40970 64.7638 301.7435 0063066 162.0771 198.2604 15.25609834 74749Epoch: 2025-09-16T13:39Z
TLE epoch observation values (Epoch: 2025-09-16T13:39:21.657Z)
Latitude
0.00006°
Longitude
101.14587°
Altitude
532.15 km
Speed
7.575 km/s
True Right ascension
20h 06m 58s
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
14:47:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
530.8 km
Perigee altitude
444.202 km
Semi-major axis
6,865.638 km
Eccentricity
0.00631
Inclination
64.7638°
RAAN
301.7435°
Arg. of periapsis
162.0771°
True anomaly
198.03564°
Mean anomaly
198.2604°
Eccentric anomaly
198.14785°
Mean motion
3.81524 °/min
Orbital period
94.36 mins
BSTAR
0.00102
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 #58 in the year 2015 (2015-10-08 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.SNAP-3 ALICE 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-09-18 03:32:49.492Z | 159.347° S | 2025-09-18 03:35:49.492Z | 103.715° ESE | 19.563° | 2025-09-18 03:37:49.492Z | 68.494° E |
| 4 mins | 2025-09-18 05:10:49.492Z | 268.244° W | 2025-09-18 05:11:49.492Z | 292.636° NW | 25.838° | 2025-09-18 05:14:49.492Z | 3.539° NNE |
| 6 mins | 2025-09-18 13:23:49.492Z | 322.168° NNW | 2025-09-18 13:26:49.492Z | 218.33° SW | 42.776° | 2025-09-18 13:29:49.492Z | 157.403° SSE |
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 |
|---|