837 Schwarzschilda
Sign in to saveAlso known as (837) Schwarzschilda, Schwarzschilda
main-belt asteroid
Picture of the Day · NASA

Pathfinder on Mars
2026-07-04
On July 4th, 1997, using its own array of fireworks, a parachute, and a cocoon of airbags, the Mars Pathfinder spacecraft bounced like a giant beach ball at least 15 times before it came to rest on the surface of Mars at 10:07 AM Pacific Daylight Time. After its then novel airbag-assisted landing sequence was completed, Pathfinder transmitted this color mosaic to mission operators on Earth. In the scene from another world, the Mars Sojourner robot rover is visible in the foreground, crouched on top of the unfolded Pathfinder. About the size of a large house cat, the six-wheeled, solar-powered Sojourner became the first successful Martian rover. Surrounding Pathfinder are deflated airbags and the rock-strewn terrain of the Ares Vallis floodplain. In the distance Martian hills appear against a dusty brownish sky. The Pathfinder lander was subsequently renamed the Carl Sagan Memorial Station.
via NASA APOD
Key facts
- Discovered by
- M. F. Wolf
- Discovery site
- Heidelberg Obs.
- Discovery date
- 23 September 1916
- Named after
- Karl Schwarzschild
- Alternative designations
- 1916 AG · 1951 TB, 1965 VJ
- Minor planet category
- main-belt
- Observation arc
- 92.59 yr (33820 d)
- Aphelion
- 2.3926 AU (357.93 Gm )
- Perihelion
- 2.2035 AU (329.64 Gm)
- Semi major axis
- 2.2981 AU (343.79 Gm)
- Orbital period sidereal
- 3.48 yr (1272.4 d )
- Mean anomaly
- 221.45 °
- Mean motion
- 0° 16 58.512 / day
- Inclination
- 6.7371°
- Longitude of ascending node
- 200.05°
- Argument of perihelion
- 173.33°
- Earth moid
- 1.20264 AU (179.912 Gm)
- Jupiter moid
- 2.75445 AU (412.060 Gm)
via Wikipedia infobox
Wikidata facts
- Instance of
- asteroid
- Named after
- Karl Schwarzschild
- Followed by
- 838 Seraphina
- Follows
- 836 Jole
- Parent body
- Sun
- Minor-planet group
- asteroid belt
- Diameter
- 5.968
- Orbital period
- 1273.135268049047
- Image
- 000837-asteroid shape model (837) Schwarzschilda.png
Show 18 more facts
- discoverer or inventor
- Max Wolf
- site of astronomical discovery
- Heidelberg-Königstuhl State Observatory
- provisional designation
- A916 SK
- time of discovery or invention
- 1916-09-23
- orbital inclination
- 6.735929717624026
- Commons category
- 837 Schwarzschilda
- albedo
- 0.467
- rotation period
- 103.432
- absolute magnitude
- 12.5
- orbital eccentricity
- 0.04105242632806558
- semi-major axis of an orbit
- 2.298885890382666
- periapsis
- 2.204511046731102
- apoapsis
- 2.39326073403423
- longitude of ascending node
- 199.9169892075997
- argument of periapsis
- 173.7623695332713
- mean anomaly
- 102.8687869054256
- time of periapsis
- 2460636.705887248
- epoch
- November 21, 2025
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
837 Schwarzschilda, provisional designation 1916 AG, is a low-eccentric, well-observed asteroid from the asteroid belt, orbiting the Sun with a period of 3.48 years at a distance of 2.21–2.39 AU. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 23 September 1916.
The main-belt asteroid was named after physicist and astronomer Karl Schwarzschild (1873–1916), who had died earlier that year. He was director of the observatories in Göttingen and Potsdam, known for his work in photometry, geometrical optics, stellar statistics and theoretical astrophysics, most notably for producing the first exact solutions to Einstein's field equations. At the time, it was custom to give feminized names to minor planets.
Excerpted from Wikipedia’s “837 Schwarzschilda” article, available under the CC BY-SA 4.0 licence.