VANGUARD R/B, 16

Orbit data source: Space-Track

VANGUARD R/B, 16 is space debris in LEO originally from a launch on Mon, 17 Mar 1958 UTC launched from the Air Force Eastern Test Range (AFETR). 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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VANGUARD R/B details

Identifier	16, 1958-002A
Orbit	LEO
Last TLE update	17 hours ago
Origin	NRL (US)
Manufacturer	GCR/Redlands
Mission	Spacecraft
Bus & Motor	33-KS-2800, Unknown motor
Mass	22 kg wet, 22 kg dry
Launch date (UTC)	1958-03-17 (67 years ago)
Launch vehicle	Unknown
Launch site	Air Force Eastern Test Range (AFETR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl, 1.5 m
Radar Cross Section	1.017 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 VANGUARD R/B
1 00016U 58002A   25047.31875993  .00000261  00000-0  33157-3 0  9996
2 00016  34.2722 270.1902 2023076 228.7541 112.0457 10.49541624637865

Epoch: 2025-02-16T07:39Z

Definitive object data (Epoch: 2025-02-16T07:39:00.857Z)

Latitude	0.00002°
Longitude	8.88312°
Altitude	3,374.216 km
Speed	6.044 km/s
True Right ascension	18h 00m 45s
True Declination	0° 00' 00"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	32.92147°
Longitude	115.70078°
Altitude	3,213.462 km
Speed	6.159 km/s
Apparent Right ascension	22h 50m 58s
Apparent Declination	13° 08' 11"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	03:22:14
Azimuth	266.093° W
Elevation	25.329°
Doppler factor	1

Orbital elements

Apogee altitude	4,219.819 km
Perigee altitude	653.266 km
Semi-major axis	8,814.679 km
Eccentricity	0.2023076
Inclination	34.2722°
RAAN	270.1902°
Arg. of periapsis	228.7541°
True anomaly	131.30194°
Mean anomaly	112.0457°
Eccentric anomaly	121.88776°
Mean motion	2.62261 °/min
BSTAR	0.00033157
Orbital period	137.27 mins

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Other satellites on launch #2 in the year 1958 (1958-03-17 UTC)

VANGUARD R/B, 16

VANGUARD 1, 5

VANGUARD DEB, 1576

VANGUARD R/B Visibility forecast

Observer location: undefined°, undefined

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.
19 mins	2025-02-17 00:33:43.530Z	265.958° W	2025-02-17 00:42:43.530Z	222.549° SW	32.813°	2025-02-17 00:52:43.530Z	155.954° SSE
38 mins	2025-02-17 15:39:43.530Z	191.419° SSW	2025-02-17 15:56:43.530Z	137.405° SSE	30.45°	2025-02-17 16:17:43.530Z	82.159° E
44 mins	2025-02-17 18:04:43.530Z	231.805° WSW	2025-02-17 18:27:43.530Z	155.8° SSE	42.056°	2025-02-17 18:48:43.530Z	84.892° E
42 mins	2025-02-17 20:34:43.530Z	261.289° W	2025-02-17 20:59:43.530Z	186.056° SSW	43.995°	2025-02-17 21:16:43.530Z	102.324° ESE
33 mins	2025-02-17 23:08:43.530Z	277.424° WNW	2025-02-17 23:29:43.530Z	209.868° SW	39.549°	2025-02-17 23:41:43.530Z	136.008° SSE

Authenticating...

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Check out VANGUARD R/B, 16 on other resources

View VANGUARD R/B, 16 on Heavens-Above

View VANGUARD R/B, 16 on Keep Track

View VANGUARD R/B, 16 on Celestrak

View VANGUARD R/B, 16 on Gunter's Space Page

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