3122 Florence (1981 ET3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4232384908 ± 1.63e-09
Semi-major axis (a)1.7688776780 AU ± 6.61e-10
Inclination (i)22.14276824° ± 7.42e-07
Long. of Asc. Node (Ω)336.04036925° ± 3.76e-07
Arg. of Perihelion (ω)27.88474334° ± 1.08e-06
Mean Anomaly (M)168.25752840° ± 7.68e-07
Mean Motion (n)0.4189532598°/day ± 2.35e-10
Perihelion dist (q)1.02022056 AU ± 2.90e-09
Aphelion dist (Q)2.51753480 AU ± 3.03e-09
Orbital Period2.35259247 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)14.08
G (slope)0.15
Alternative Designations

1983 CN1

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.362″
Uncertainty0
Orbit TypeAmor
MOID0.042563 AU
Observations Used9413
Radar Obs Used6
Gaia Obs Used88
Oppositions22
Arc Total1979-2026
First Observation Used1979-03-09
Last Observation Used2026-04-05
Observations (12205)
Date Type RA Dec Mag Band Observatory
2004-01-20 07:25:41 C 09 03 31.34 +46 17 15.7 c H41
2004-01-20 07:29:01 C 09 03 30.90 +46 17 14.7 c H41
2004-01-20 07:30:50 C 09 03 30.67 +46 17 14.2 c H41
2004-01-22 08:49:05 C 08 57 22.15 +45 58 52.2 c H41
2004-01-22 08:52:08 C 08 57 21.75 +45 58 51.0 c H41
2004-01-22 08:54:37 C 08 57 21.44 +45 58 49.7 c H41
2004-01-22 08:59:26 C 08 57 20.82 +45 58 48.0 c H41
2004-01-23 17:32:49 C 08 53 22.32 +45 45 04.5 d 557
2004-01-23 18:01:33 C 08 53 18.83 +45 44 52.4 d 557
2004-01-23 18:30:16 C 08 53 15.34 +45 44 40.5 d 557
2004-01-23 19:00:55 C 08 53 11.56 +45 44 27.8 d 557
2004-01-23 19:59:27 C 08 53 04.38 +45 44 03.1 d 557
2004-01-23 20:18:49 C 08 53 02.03 +45 43 53.6 r A16
2004-01-23 20:24:19 C 08 53 01.35 +45 43 51.1 r A16
2004-01-23 20:26:27 C 08 53 01.21 +45 43 50.5 r A16
2004-01-23 20:31:41 C 08 53 00.40 +45 43 49.5 d 557
2004-01-23 20:35:05 C 08 53 00.08 +45 43 47.0 r A16
2004-01-23 21:03:52 C 08 52 56.43 +45 43 35.9 d 557
2004-01-23 21:32:40 C 08 52 52.87 +45 43 23.6 d 557
2004-01-23 22:00:59 C 08 52 49.37 +45 43 11.3 d 557
2004-01-23 22:31:20 C 08 52 45.59 +45 42 58.1 d 557
2004-01-23 23:04:22 C 08 52 41.51 +45 42 43.7 d 557
2004-01-23 23:46:00 C 08 52 36.34 +45 42 25.3 d 557
2004-01-24 00:46:41 C 08 52 28.82 +45 41 58.3 d 557
2004-01-24 01:05:16 C 08 52 26.50 +45 41 47.9 o 084
2004-01-24 01:17:17 C 08 52 25.03 +45 41 44.4 d 557
2004-01-24 02:07:56 C 08 52 18.78 +45 41 21.4 d 557
2004-01-24 06:25:39 C 08 51 47.87 +45 39 31.2 16.1 d H72
2004-01-24 06:28:41 C 08 51 47.51 +45 39 29.8 15.9 d H72
2004-01-24 06:31:40 C 08 51 47.15 +45 39 28.5 15.9 d H72
2004-01-24 06:34:42 C 08 51 46.72 +45 39 27.0 15.8 d H72
2004-01-24 08:28:52 C 08 51 32.78 +45 38 33.5 c H41
2004-01-24 08:33:50 C 08 51 32.14 +45 38 31.5 c H41
2004-01-24 08:35:55 C 08 51 31.89 +45 38 30.4 c H41
2004-01-26 14:05:43 C 08 45 11.08 +45 12 51.0 o 379
2004-01-26 14:07:22 C 08 45 10.85 +45 12 50.3 o 379
2004-01-26 14:09:02 C 08 45 10.67 +45 12 49.3 o 379
2004-01-26 14:10:40 C 08 45 10.49 +45 12 48.5 o 379
2004-01-28 07:07:59 C 08 40 27.68 +44 51 14.9 c H41
2004-01-28 07:11:02 C 08 40 27.34 +44 51 13.2 c H41
2004-01-28 07:13:10 C 08 40 27.08 +44 51 12.1 c H41
2004-01-28 07:14:58 C 08 40 26.85 +44 51 11.1 c H41
2004-01-29 07:23:11 C 08 37 44.75 +44 37 45.7 c H41
2004-01-29 07:27:15 C 08 37 44.30 +44 37 43.2 c H41
2004-01-29 07:29:39 C 08 37 44.04 +44 37 42.0 c H41
2004-01-29 07:31:48 C 08 37 43.78 +44 37 40.6 c H41
2004-01-30 04:43:21 C 08 35 25.14 +44 25 26.9 d 703
2004-01-30 04:44:58 C 08 35 24.97 +44 25 26.2 d 703
2004-01-30 05:06:41 C 08 35 22.50 +44 25 13.7 d 703
2004-01-30 05:08:18 C 08 35 22.41 +44 25 13.0 d 703
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-08-29 07:20:00 53416156 10 us 8560 -14 -14
2017-08-30 08:30:00 50057919.82 3 us 8560 -14 -14
2017-09-01 08:30:00 47128765.14 3 us 8560 -14 -14
2017-09-06 10:10:00 60804814.037 5 us 8560 -14 -14
2017-09-08 07:00:00 70833313.23 3 us 8560 -14 -14
2017-09-13 08:00:00 102972248.16 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)