37655 Illapa
| Discovery[1] | |
|---|---|
| Discovered by | C. S. Shoemaker and E. M. Shoemaker |
| Discovery site | Palomar |
| Discovery date | 1 August 1994 |
| Designations | |
| MPC designation | 37655 |
| 1994 PM | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 7645 days (20.93 yr) |
| Aphelion | 2.5901 AU (387.47 Gm) (Q) |
| Perihelion | 0.36604 AU (54.759 Gm) (q) |
| 1.4780 AU (221.11 Gm) (a) | |
| Eccentricity | 0.75235 (e) |
| 1.80 yr (656.34 d) | |
| 299.48° (M) | |
| 0° 32m 54.564s / day (n) | |
| Inclination | 18.002° (i) |
| 139.70° (Ω) | |
| 303.72° (ω) | |
| Earth MOID | 0.0235523 AU (3.52337 Gm) |
| Jupiter MOID | 2.83172 AU (423.619 Gm) |
| Jupiter Tisserand parameter | 4.188 |
| Physical characteristics | |
| Dimensions | 0.8 - 1.8 km[2] |
| 2.6556 h (0.11065 d) | |
Sidereal rotation period | 2.6556 hr[1] |
| C[3] | |
| 17.9[1] | |
|
| |
37655 Illapa (1994 PM) is an Apollo asteroid discovered on August 1, 1994 by C. S. Shoemaker and E. M. Shoemaker at Palomar.[1]
Illapa has an estimated diameter of 0.8 to 1.8 km.[2] On 2003-Aug-16 Illapa made of close approach to Earth of 0.025037 AU (3,745,500 km; 2,327,300 mi).[4]
Illapa is named for the thunder or weather god of the Incas.
References
- 1 2 3 4 5 "JPL Small-Body Database Browser: 37655 Illapa (1994 PM)". Jet Propulsion Laboratory. Retrieved 12 April 2016.
- 1 2 "( 37655) Illapa". The Near-Earth Asteroids Data Base at E.A.R.N. Retrieved 2012-06-21.
- ↑ "Near-Earth Asteroid Surface Roughness Depends on Compositional Class". NASA/JPL Asteroid Radar Research. July 17, 2012. Retrieved 2012-07-23.
- ↑ "JPL Close-Approach Data: 37655 Illapa (1994 PM)". Retrieved 2012-06-21.
External links
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