2002 Euler
| Discovery [1][2] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | CrAO (Nauchnyj) |
| Discovery date | 29 August 1973 |
| Designations | |
| MPC designation | 2002 Euler |
Named after | Leonhard Euler[3] |
|
1973 QQ1 · 1938 DW 1942 GJ · 1953 EB 1973 SJ2 | |
| main-belt | |
| Orbital characteristics [1][4] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 73.91 yr (26994 days) |
| Aphelion | 2.5838 AU (386.53 Gm) |
| Perihelion | 2.2503 AU (336.64 Gm) |
| 2.4170 AU (361.58 Gm) | |
| Eccentricity | 0.069001 |
| 3.76 yr (1372.5 d) | |
Average orbital speed | 19.13 km/s |
| 202.45° | |
| 0° 15m 44.244s / day | |
| Inclination | 8.5026° |
| 178.65° | |
| 53.856° | |
| Earth MOID | 1.2519 AU (187.28 Gm) |
| Jupiter MOID | 2.40185 AU (359.312 Gm) |
| Jupiter Tisserand parameter | 3.498 |
| Physical characteristics | |
| Dimensions | 17.4 km |
Mean radius | 8.72 ± 0.7 km |
| Mass | 5.5×1015 kg |
Mean density | 2.0 g/cm³ |
Equatorial surface gravity | 0.0049 m/s² |
Equatorial escape velocity | 0.0092 km/s |
| 5.9929 h (0.24970 d) | |
Sidereal rotation period | 9.9929 d |
| 0.0839 ± 0.015 | |
| Temperature | ~ 179 K |
| 12.4 | |
|
| |
2002 Euler, provisional designation 1973 QQ1, is an asteroid from the asteroid belt, about 17 kilometers in diameter. It was discovered on August 29, 1973, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj. The asteroid's low-eccentric, only slightly inclined orbit has a period of 3 years and 9 month with a semi-major axis of 2.4 AU. It rotates around its axis every 6 hours. Its geometric albedo of 0.084 has been measured by the Infrared Astronomical Satellite (IRAS).[1][4]
It was named after Swiss mathematician, physicist and astronomer Leonhard Euler (1707–1783). His contributions to astronomy included two theories for the motion of the Moon. Euler spent much of his time in St. Petersburg and was associated with the Russian Academy of Sciences.[3]
References
- 1 2 3 "JPL Small-Body Database Browser: 2002 Euler (1973 QQ1)" (2015-09-20 last obs.). Jet Propulsion Laboratory. Retrieved 17 April 2016.
- ↑ "Numbered Minor Planets (1)-(5000)". IAU–Minor Planet Center. 1 September 2015.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (2002) Euler. Springer Berlin Heidelberg. p. 162. ISBN 978-3-540-29925-7. Retrieved 23 August 2016.
- 1 2 "The Asteroid Orbital Elements Database". Lowell Observatory. 2 September 2015.
External links
- Dictionary of Minor Planet Names, Google books
- 2002 Euler at the JPL Small-Body Database
