Showing default

OTTER SDM, 66678

Orbit data source: Space-Track

OTTER SDM, 66678 is a payload satellite owned by DLR (US) in SSO that was launched on Fri, 28 Nov 2025 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/66678?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/66678?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

66678, 2025-276N

Orbit

SSO

Country

Related business

German Aerospace Center (DE)

Manufacturer

DLR

Mission

Operational Commercial Com/MetRO

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

2025-11-28 (9 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.5 m

Radar Cross Section

0.063 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 OTTER SDM
1 66678U 25276N   26238.15608855  .00006049  00000-0  27977-3 0  9998
2 66678  97.4170 310.4883 0007245 110.7090 249.4922 15.20494600 41048

Epoch: 2026-08-26T03:44Z

TLE epoch observation values (Epoch: 2026-08-26T03:44:46.050Z)

Latitude

-0.00009°

Longitude

-80.1167°

Altitude

509.189 km

Speed

7.608 km/s

True Right ascension

20h 41m 57s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

09:55:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

506.297 km

Perigee altitude

496.329 km

Semi-major axis

6,879.45 km

Eccentricity

0.00072

Inclination

97.417°

RAAN

310.4883°

Arg. of periapsis

110.709°

True anomaly

249.41446°

Mean anomaly

249.4922°

Eccentric anomaly

249.45333°

Mean motion

3.80376 °/min

Orbital period

94.64 mins

BSTAR

0.00027977

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #276 in the year 2025 (2025-11-28 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.

Click here to try in Sandbox

OTTER SDM Visibility forecast

Loading observer location...
Set 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	2026-08-27 05:09:35.656Z	185.922° SSW	2026-08-27 05:11:35.656Z	269.671° W	41.312°	2026-08-27 05:14:35.656Z	339.479° N
5 mins	2026-08-27 18:13:35.656Z	343.427° N	2026-08-27 18:15:35.656Z	283.592° WNW	32.339°	2026-08-27 18:18:35.656Z	219.112° SW

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

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

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 descending order

Check out OTTER SDM, 66678 on other resources

View OTTER SDM, 66678 on NASA - NSSDCA Website

View OTTER SDM, 66678 on Heavens-Above

View OTTER SDM, 66678 on Keep Track

View OTTER SDM, 66678 on Celestrak

View OTTER SDM, 66678 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

OTTER SDM, 66678

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-08-26T03:44:46.050Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)

OTTER SDM Visibility forecast

Co-orbital & Co-planar RSOs

Check out OTTER SDM, 66678 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago