 Orbit of Eschenbach (blue), with the inner planets and Jupiter (outermost) | |
| Discovery [1] | |
|---|---|
| Discovered by | C. J. van Houten I. van Houten-G. T. Gehrels |
| Discovery site | Palomar Obs. |
| Discovery date | 26 March 1971 |
| Designations | |
| (9909) Eschenbach | |
Named after | Wolfram von Eschenbach (medieval knight and poet)[2] |
| 4355 T-1 · 1969 VD2 1994 RW4 | |
| main-belt [1][3] · (inner) Flora | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 47.47 yr (17,337 days) |
| Aphelion | 2.7334 AU |
| Perihelion | 1.9620 AU |
| 2.3477 AU | |
| Eccentricity | 0.1643 |
| 3.60 yr (1,314 days) | |
| 120.54° | |
| 0° 16m 26.4s / day | |
| Inclination | 4.3236° |
| 147.17° | |
| 240.25° | |
| Physical characteristics | |
| Dimensions | 3.404±0.127 km[4] 23.4 km[5] |
| 0.460±0.051[4] | |
| 13.8[1] | |
9909 Eschenbach, provisional designation 4355 T-1, is a Florian asteroid from the inner regions of the asteroid belt, roughly 10 kilometers in diameter.
The asteroid was discovered on 26 March 1971, by Dutch astronomer couple Ingrid and Cornelis van Houten, as well as Dutch–American astronomer Tom Gehrels. The asteroid was spotted during the Palomar–Leiden survey by examining photographic plates taken at Palomar Observatory, California, United States.[3] It was named after medieval knight and poet Wolfram von Eschenbach.[2]
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