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CELESTIS 17/SHERPA-FX1, 47486

Orbit data source: Space-Track

CELESTIS 17/SHERPA-FX1, 47486 is a payload satellite owned by Spaceflight Ind (US) in SSO that was launched on Sun, 24 Jan 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

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https://www.satcat.com/sats-embedded/47486?theme=dark&initialShowStats=false

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Identifier

47486, 2021-006CB

Orbit

SSO

Country

Related business

Firefly Aerospace (US)

Manufacturer

Spaceflight Ind

Mission

Operational Commercial Technology

Bus & Motor

ESPA/SHERPA-FX, Unknown motor

Mass

130 kg wet, 130 kg dry

Launch date (UTC)

2021-01-24 (5 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 0.4 m

Radar Cross Section

0.503 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 CELESTIS 17/SHERPA-FX1
1 47486U 21006CB  26138.36106880  .00003675  00000-0  12209-3 0  9998
2 47486  97.2273 180.1460 0004984 315.0967  44.9872 15.31813442294738

Epoch: 2026-05-18T08:39Z

TLE epoch observation values (Epoch: 2026-05-18T08:39:56.344Z)

Latitude

0.00005°

Longitude

174.11079°

Altitude

471.099 km

Speed

7.632 km/s

True Right ascension

12h 00m 35s

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

02:52:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

470.756 km

Perigee altitude

463.933 km

Semi-major axis

6,845.481 km

Eccentricity

0.0005

Inclination

97.2273°

RAAN

180.146°

Arg. of periapsis

315.0967°

True anomaly

45.02759°

Mean anomaly

44.9872°

Eccentric anomaly

45.00739°

Mean motion

3.8321 °/min

Orbital period

93.94 mins

BSTAR

0.00012209

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Other satellites on launch #6 in the year 2021 (2021-01-24 UTC)

KEPLER-12 (BOBA), 47446 (Decayed)

SPACEBEE-46, 47426 (Decayed)

SPACEBEE-58, 47464 (Decayed)

FLOCK 4S 6, 47518 (Decayed)

ARCE-1A, 47616 (Decayed)

SPACEBEE-75, 48637 (Decayed)

LEMUR-2 SAOIRSEDH5GUO, 47453 (Decayed)

STARLINK-2207, 47421 (Decayed)

FLOCK 4S 12, 47471 (Decayed)

SPACEBEE-51, 47444 (Decayed)

FLOCK 4S 29, 47520 (Decayed)

OBJECT AA, 47437

RIDESHARE ADAPTER, 47435

CUBEL, 47448

FLOCK 4S 8, 47474 (Decayed)

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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.

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CELESTIS 17/SHERPA-FX1 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	2026-05-19 02:04:06.164Z	107.497° ESE	2026-05-19 02:06:06.164Z	62.9° ENE	19.288°	2026-05-19 02:08:06.164Z	24.673° NE
4 mins	2026-05-19 15:02:06.164Z	50.078° ENE	2026-05-19 15:04:06.164Z	99.717° ESE	24.08°	2026-05-19 15:06:06.164Z	145.811° SSE

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Co-orbital & Co-planar RSOs

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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out CELESTIS 17/SHERPA-FX1, 47486 on other resources

View CELESTIS 17/SHERPA-FX1, 47486 on NASA - NSSDCA Website

View CELESTIS 17/SHERPA-FX1, 47486 on Heavens-Above

View CELESTIS 17/SHERPA-FX1, 47486 on Keep Track

View CELESTIS 17/SHERPA-FX1, 47486 on Celestrak

View CELESTIS 17/SHERPA-FX1, 47486 on Gunter's Space Page

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

CELESTIS 17/SHERPA-FX1, 47486

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-05-18T08:39:56.344Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #6 in the year 2021 (2021-01-24 UTC)

CELESTIS 17/SHERPA-FX1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out CELESTIS 17/SHERPA-FX1, 47486 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago