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
2003-10-17 00:02:32 C 09 16 55.90 +46 55 42.1 o 084
2003-10-19 01:12:08 C 09 22 46.97 +46 45 13.8 o 084
2003-10-20 01:21:20 C 09 25 34.08 +46 40 03.1 o 084
2003-10-24 08:00:57 C 09 36 45.36 +46 18 15.3 15.5 d H72
2003-10-24 08:04:35 C 09 36 45.77 +46 18 14.7 16.1 d H72
2003-10-24 08:08:11 C 09 36 46.01 +46 18 13.8 15.7 d H72
2003-10-24 08:11:47 C 09 36 46.48 +46 18 13.3 15.8 d H72
2003-10-24 16:25:35 C 09 37 36.54 +46 16 21.9 o 084
2003-10-31 01:43:13 C 09 52 13.57 +45 46 08.5 r 557
2003-10-31 02:12:42 C 09 52 16.14 +45 46 03.3 r 557
2003-10-31 02:41:24 C 09 52 18.62 +45 45 58.4 r 557
2003-10-31 03:13:20 C 09 52 21.37 +45 45 53.1 r 557
2003-10-31 03:42:02 C 09 52 23.82 +45 45 48.1 r 557
2003-10-31 04:13:56 C 09 52 26.55 +45 45 42.6 r 557
2003-10-31 04:36:16 C 09 52 28.46 +45 45 38.7 r 557
2003-11-01 16:04:22 C 09 55 30.45 +45 39 07.9 o 084
2003-11-08 04:09:17 C 10 07 25.90 +45 14 58.1 o 084
2003-11-30 03:36:43 C 10 29 20.32 +44 58 05.7 d 557
2003-11-30 03:50:48 C 10 29 20.46 +44 58 06.9 d 557
2003-11-30 04:06:43 C 10 29 20.60 +44 58 08.4 d 557
2003-11-30 04:22:41 C 10 29 20.75 +44 58 09.6 d 557
2003-11-30 04:35:26 C 10 29 20.87 +44 58 10.6 d 557
2003-11-30 04:51:24 C 10 29 21.03 +44 58 11.9 d 557
2003-11-30 05:07:22 C 10 29 21.18 +44 58 13.2 d 557
2003-11-30 05:23:21 C 10 29 21.32 +44 58 14.4 d 557
2003-12-08 23:56:38 C 10 29 02.05 +45 23 06.2 c 127
2003-12-09 00:20:41 C 10 29 01.68 +45 23 10.5 c 127
2003-12-09 00:46:40 C 10 29 01.25 +45 23 15.0 c 127
2003-12-10 00:28:15 C 10 28 36.49 +45 27 00.5 o 084
2003-12-10 22:41:19 C 10 28 09.57 +45 30 38.8 c 127
2003-12-10 22:51:41 C 10 28 09.33 +45 30 40.8 c 127
2003-12-10 23:02:12 C 10 28 09.08 +45 30 42.8 c 127
2003-12-15 09:19:41 C 10 24 59.45 +45 50 02.2 15.9 c 704
2003-12-15 09:38:19 C 10 24 58.72 +45 50 06.2 16.2 c 704
2003-12-15 09:56:58 C 10 24 57.92 +45 50 09.3 16.1 c 704
2003-12-15 10:15:36 C 10 24 57.18 +45 50 13.5 16.2 c 704
2003-12-15 10:34:26 C 10 24 56.40 +45 50 18.0 16.2 c 704
2003-12-19 03:50:00 C 10 20 58.12 +46 07 46.6 r 557
2003-12-19 04:18:44 C 10 20 56.56 +46 07 52.2 r 557
2003-12-19 04:47:28 C 10 20 55.02 +46 07 57.9 r 557
2003-12-19 05:16:10 C 10 20 53.46 +46 08 03.3 r 557
2003-12-19 05:38:30 C 10 20 52.26 +46 08 07.5 r 557
2003-12-20 09:19:31 C 10 19 23.60 +46 13 44.0 15.3 d H72
2003-12-20 09:35:27 C 10 19 22.66 +46 13 47.4 15.5 d H72
2003-12-20 09:40:07 C 10 19 22.37 +46 13 48.4 15.8 d H72
2003-12-20 09:44:47 C 10 19 22.08 +46 13 49.2 15.2 d H72
2003-12-20 09:49:26 C 10 19 21.80 +46 13 50.4 15.8 d H72
2003-12-26 20:53:49 C 10 08 51.78 +46 43 05.3 i 057
2003-12-26 21:01:53 C 10 08 50.82 +46 43 06.3 i 057
2003-12-26 21:05:37 C 10 08 50.65 +46 43 05.9 i 057
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)