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
2003-12-27 01:40:47 C 10 08 28.23 +46 43 58.2 c 130
2003-12-27 01:43:30 C 10 08 27.99 +46 43 58.7 c 130
2003-12-27 01:46:19 C 10 08 27.78 +46 43 59.3 c 130
2003-12-27 01:49:08 C 10 08 27.57 +46 43 59.9 c 130
2003-12-30 23:45:50 C 10 00 16.36 +46 58 01.5 o 084
2003-12-31 23:26:11 C 09 58 01.38 +47 00 51.5 r J87
2003-12-31 23:40:57 C 09 57 59.94 +47 00 53.3 r J87
2003-12-31 23:56:47 C 09 57 58.36 +47 00 55.6 r J87
2004-01-02 18:47:58 C 09 53 41.10 +47 05 12.5 m 379
2004-01-02 18:50:07 C 09 53 40.87 +47 05 12.8 m 379
2004-01-02 23:02:24 C 09 53 15.69 +47 05 28.5 c 127
2004-01-02 23:08:18 C 09 53 15.08 +47 05 29.3 c 127
2004-01-02 23:14:13 C 09 53 14.46 +47 05 29.9 c 127
2004-01-02 23:30:45 C 09 53 12.72 +47 05 31.1 c 127
2004-01-02 23:41:42 C 09 53 11.25 +47 05 31.8 o 084
2004-01-03 00:59:21 C 09 53 03.49 +47 05 40.7 r 170
2004-01-03 01:03:20 C 09 53 03.04 +47 05 41.2 r 170
2004-01-03 18:50:10 C 09 51 11.25 +47 07 01.2 m 379
2004-01-03 18:56:37 C 09 51 10.52 +47 07 01.3 m 379
2004-01-04 02:40:38 C 09 50 21.44 +47 07 26.1 o 084
2004-01-04 08:02:41 C 09 49 47.83 +47 07 49.2 16.1 c 704
2004-01-04 08:48:04 C 09 49 42.85 +47 07 52.6 16.0 c 704
2004-01-04 09:06:08 C 09 49 40.80 +47 07 54.0 16.2 c 704
2004-01-04 09:24:15 C 09 49 38.79 +47 07 55.1 16.2 c 704
2004-01-06 02:37:25 C 09 45 08.43 +47 09 27.6 c 204
2004-01-06 02:39:40 C 09 45 08.16 +47 09 27.6 c 204
2004-01-06 02:41:54 C 09 45 07.86 +47 09 27.7 c 204
2004-01-06 02:44:09 C 09 45 07.65 +47 09 27.8 c 204
2004-01-06 02:46:25 C 09 45 07.37 +47 09 27.9 c 204
2004-01-10 07:09:46 C 09 33 28.82 +47 06 57.3 c H41
2004-01-10 07:13:12 C 09 33 28.43 +47 06 57.0 c H41
2004-01-10 07:15:08 C 09 33 28.18 +47 06 57.7 c H41
2004-01-10 07:16:40 C 09 33 27.97 +47 06 57.1 c H41
2004-01-12 08:45:21 C 09 27 26.41 +47 01 59.3 c H41
2004-01-12 08:48:46 C 09 27 26.02 +47 01 57.4 c H41
2004-01-12 08:50:34 C 09 27 25.80 +47 01 58.4 c H41
2004-01-12 08:52:08 C 09 27 25.62 +47 01 57.9 c H41
2004-01-14 14:21:35 C 09 20 47.45 +46 53 35.1 m 379
2004-01-14 14:23:45 C 09 20 47.17 +46 53 34.4 m 379
2004-01-14 14:25:54 C 09 20 46.87 +46 53 34.2 m 379
2004-01-14 14:28:02 C 09 20 46.64 +46 53 34.3 m 379
2004-01-15 07:29:52 C 09 18 38.12 +46 50 14.3 c H41
2004-01-15 07:39:35 C 09 18 36.89 +46 50 12.9 c H41
2004-01-15 07:41:26 C 09 18 36.66 +46 50 12.2 c H41
2004-01-15 07:43:02 C 09 18 36.47 +46 50 11.7 c H41
2004-01-17 03:12:39 C 09 13 08.26 +46 40 07.4 15.3 d H72
2004-01-17 03:15:39 C 09 13 07.86 +46 40 06.9 15.0 d H72
2004-01-17 03:18:39 C 09 13 07.46 +46 40 05.6 d H72
2004-01-17 03:21:39 C 09 13 07.11 +46 40 05.4 15.3 d H72
2004-01-20 07:23:28 C 09 03 31.63 +46 17 16.7 c H41
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)