3122 Florence
| Discovery[1] | |
|---|---|
| Discovered by | Bus, S. J. |
| Discovery site | Siding Spring |
| Discovery date | 2 March 1981 |
| Designations | |
| MPC designation | 1981 ET3 |
Named after | Florence Nightingale |
| MPO 319122, 1983 CN1 | |
|
Amor NEO, PHA[2] | |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 13550 days (37.10 yr) |
| Aphelion | 2.5163 AU (376.43 Gm) (Q) |
| Perihelion | 1.0210 AU (152.74 Gm) (q) |
| 1.7686 AU (264.58 Gm) (a) | |
| Eccentricity | 0.42274 (e) |
| 2.35 yr (859.12 d) | |
| 100.15° (M) | |
| 0° 25m 8.508s / day (n) | |
| Inclination | 22.162° (i) |
| 336.12° (Ω) | |
| 27.723° (ω) | |
| Earth MOID | 0.0433248 AU (6.48130 Gm) |
| Jupiter MOID | 2.98925 AU (447.185 Gm) |
| Jupiter Tisserand parameter | 3.921 |
| Physical characteristics | |
| Dimensions |
2.5 km (EARN)[3] 4.9 km (JPL)[2] |
Mean radius | 2.45 km |
| 2.3581 h (0.09825 d) | |
| 14.1[2] | |
|
| |
3122 Florence (or 1981 ET3, or 1983 CN1) is an Amor asteroid discovered on March 2, 1981 by S. J. Bus at Siding Spring. It is classified as a near-Earth asteroid and a Potentially Hazardous Asteroid (PHA).
On 2017-Sep-01 it will pass 0.04723 AU (7,066,000 km; 4,390,000 mi) from Earth[4] and will be as bright as apparent magnitude 8.5.
References
- ↑ "(3122) Florence = 1981 ET3 = 1983 CN1". Minor Planet Center. Retrieved 2015-06-04.
- 1 2 3 4 "JPL Small-Body Database Browser: 3122 Florence (1981 ET3)" (2012-04-29 last obs). Jet Propulsion Laboratory. Retrieved 14 April 2016.
- ↑ "( 3122) Florence". The Near-Earth Asteroids Data Base at E.A.R.N. Retrieved 2012-06-17.
- ↑ "JPL Close-Approach Data: 3122 Florence (1981 ET3)" (2012-04-29 last obs). Retrieved 2012-06-17.
External links
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