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
2002-02-20 07:42:04 C 11 13 37.14 +00 48 00.1 17.7 c 704
2002-02-20 08:02:57 C 11 13 35.80 +00 48 00.8 17.6 c 704
2002-02-20 08:23:22 C 11 13 34.47 +00 48 01.1 17.8 c 704
2002-02-20 08:44:28 C 11 13 33.11 +00 48 01.8 17.7 c 704
2002-02-25 07:15:06 C 11 05 54.59 +00 52 07.0 o 644
2002-02-25 07:30:23 C 11 05 53.56 +00 52 07.9 o 644
2002-02-25 07:47:26 C 11 05 52.43 +00 52 08.7 o 644
2002-03-03 22:47:15 C 10 55 21.84 +01 01 07.7 c 240
2002-03-03 23:04:55 C 10 55 20.60 +01 01 08.8 c 240
2002-03-03 23:09:03 C 10 55 20.31 +01 01 09.1 c 240
2002-03-04 08:52:14 C 10 54 41.60 +01 01 49.3 d 703
2002-03-04 09:04:20 C 10 54 40.79 +01 01 50.1 d 703
2002-03-04 09:16:24 C 10 54 39.99 +01 01 50.9 d 703
2002-03-04 09:28:29 C 10 54 39.17 +01 01 51.6 d 703
2002-03-04 21:29:00 C 10 53 51.92 +01 02 40.1 610
2002-03-04 21:33:00 C 10 53 51.65 +01 02 40.4 610
2002-03-04 21:36:59 C 10 53 51.38 +01 02 40.7 610
2002-03-04 21:40:59 C 10 53 51.11 +01 02 41.0 610
2002-03-04 21:45:00 C 10 53 50.84 +01 02 41.3 610
2002-03-04 21:49:00 C 10 53 50.57 +01 02 41.6 610
2002-03-04 21:52:17 C 10 53 50.35 +01 02 42.0 c 198
2002-03-04 21:53:00 C 10 53 50.31 +01 02 41.9 610
2002-03-04 21:56:27 C 10 53 50.07 +01 02 42.1 c 198
2002-03-04 22:03:41 C 10 53 49.58 +01 02 42.3 c 198
2002-03-04 22:09:46 C 10 53 49.17 +01 02 42.5 c 198
2002-03-04 22:13:58 C 10 53 48.89 +01 02 42.6 c 198
2002-03-05 10:06:48 C 10 53 01.59 +01 03 33.7 o 644
2002-03-05 10:35:51 C 10 52 59.64 +01 03 35.7 o 644
2002-03-06 09:04:37 C 10 51 31.14 +01 05 10.9 16.5 c 644
2002-03-06 09:19:41 C 10 51 30.14 +01 05 12.1 16.7 c 644
2002-03-06 09:34:58 C 10 51 29.16 +01 05 12.1 16.7 c 644
2002-03-10 19:44:21 C 10 44 37.65 +01 13 13.2 d 557
2002-03-10 20:10:33 C 10 44 35.97 +01 13 15.3 d 557
2002-03-10 21:08:06 C 10 44 32.26 +01 13 19.7 d 557
2002-03-10 21:54:07 C 10 44 29.29 +01 13 23.5 d 557
2002-03-10 22:02:43 C 10 44 28.79 +01 13 24.2 c 240
2002-03-10 22:08:49 C 10 44 28.38 +01 13 24.6 c 240
2002-03-10 22:11:53 C 10 44 28.14 +01 13 24.8 c 240
2002-03-10 22:24:29 C 10 44 27.32 +01 13 25.8 d 557
2002-03-10 23:36:37 C 10 44 22.66 +01 13 31.4 d 557
2002-03-11 00:10:35 C 10 44 20.48 +01 13 33.9 d 557
2002-03-11 01:16:33 C 10 44 16.24 +01 13 39.3 d 557
2002-03-11 19:15:59 C 10 43 08.49 +01 15 04.1 d 557
2002-03-11 20:10:09 C 10 43 05.07 +01 15 08.6 d 557
2002-03-11 21:05:10 C 10 43 01.52 +01 15 12.9 d 557
2002-03-11 22:11:13 C 10 42 57.29 +01 15 18.2 d 557
2002-03-11 23:08:56 C 10 42 53.62 +01 15 22.8 d 557
2002-03-12 00:10:22 C 10 42 49.70 +01 15 27.5 d 557
2002-03-12 01:02:36 C 10 42 46.37 +01 15 31.8 d 557
2002-03-12 05:15:47 C 10 42 30.84 +01 15 53.3 c 699
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)