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
2010-10-10 19:59:45 C 08 50 23.87 +60 52 29.7 v J93
2010-10-10 20:03:50 C 08 50 24.66 +60 52 30.0 v J93
2010-10-10 20:07:55 C 08 50 25.40 +60 52 30.1 v J93
2010-10-26 09:42:05 S 09 45 39.408 +60 39 22.46 L C51
2010-10-26 12:52:36 S 09 46 01.27 +60 39 13.6 L C51
2010-10-26 16:03:06 S 09 46 23.04 +60 39 05.2 L C51
2010-10-26 19:13:27 S 09 46 44.61 +60 38 56.4 L C51
2010-10-26 22:23:57 S 09 47 06.15 +60 38 47.9 L C51
2010-10-27 01:34:29 S 09 47 27.59 +60 38 39.6 L C51
2010-10-27 03:09:39 S 09 47 38.25 +60 38 35.5 L C51
2010-10-27 04:44:49 S 09 47 48.90 +60 38 31.2 L C51
2010-10-27 04:45:00 S 09 47 48.97 +60 38 31.6 L C51
2010-10-27 06:20:10 S 09 47 59.59 +60 38 27.3 L C51
2010-10-27 07:55:20 S 09 48 10.14 +60 38 23.1 L C51
2010-10-27 09:30:30 S 09 48 20.70 +60 38 19.0 L C51
2010-10-27 09:30:41 S 09 48 20.76 +60 38 19.5 L C51
2010-10-27 11:05:51 S 09 48 31.27 +60 38 15.2 L C51
2010-10-27 12:41:01 S 09 48 41.78 +60 38 11.2 L C51
2010-10-27 14:16:22 S 09 48 52.30 +60 38 07.5 L C51
2010-10-27 15:51:32 S 09 49 02.753 +60 38 03.48 L C51
2010-10-27 17:26:42 S 09 49 13.19 +60 37 59.7 L C51
2010-10-27 19:02:03 S 09 49 23.67 +60 37 55.8 L C51
2010-10-27 20:37:14 S 09 49 34.01 +60 37 51.8 L C51
2010-10-27 22:12:24 S 09 49 44.40 +60 37 48.1 L C51
2010-10-28 04:33:25 S 09 50 25.64 +60 37 33.3 L C51
2010-10-28 07:43:45 S 09 50 46.08 +60 37 25.9 L C51
2010-10-28 10:54:16 S 09 51 06.46 +60 37 19.2 L C51
2010-10-28 14:04:48 S 09 51 26.76 +60 37 12.3 L C51
2010-10-30 21:37:51 S 09 57 05.069 +60 35 35.20 L C51
2010-10-30 23:13:01 S 09 57 14.254 +60 35 33.07 L C51
2010-10-31 00:48:11 S 09 57 23.419 +60 35 31.16 L C51
2010-10-31 00:48:22 S 09 57 23.491 +60 35 31.42 L C51
2010-10-31 02:23:32 S 09 57 32.633 +60 35 29.29 L C51
2010-10-31 03:58:42 S 09 57 41.760 +60 35 27.35 L C51
2010-10-31 05:33:52 S 09 57 50.842 +60 35 25.48 L C51
2010-10-31 05:34:03 S 09 57 50.911 +60 35 25.76 L C51
2010-10-31 07:09:13 S 09 57 59.962 +60 35 24.11 L C51
2010-10-31 08:44:23 S 09 58 09.019 +60 35 22.06 L C51
2010-10-31 10:19:33 S 09 58 18.048 +60 35 20.26 L C51
2010-10-31 10:19:44 S 09 58 18.058 +60 35 20.54 L C51
2010-10-31 11:54:54 S 09 58 27.084 +60 35 18.89 L C51
2010-10-31 13:30:04 S 09 58 36.043 +60 35 16.91 L C51
2010-10-31 15:05:25 S 09 58 45.055 +60 35 15.83 L C51
2010-10-31 16:40:35 S 09 58 53.974 +60 35 14.28 L C51
2010-10-31 18:15:45 S 09 59 02.863 +60 35 12.48 L C51
2010-10-31 21:26:16 S 09 59 20.640 +60 35 09.89 L C51
2010-11-01 00:36:36 S 09 59 38.254 +60 35 07.26 L C51
2010-11-01 00:36:47 S 09 59 38.275 +60 35 07.55 L C51
2010-11-01 03:47:07 S 09 59 55.814 +60 35 05.10 L C51
2010-11-01 06:57:38 S 10 00 13.253 +60 35 02.90 L C51
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)