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
2002-01-21 09:01:45 C 11 46 46.70 +01 35 57.7 18.0 c 704
2002-01-21 09:23:34 C 11 46 46.12 +01 35 54.1 18.2 c 704
2002-01-21 09:45:20 C 11 46 45.52 +01 35 50.4 18.2 c 704
2002-01-21 10:07:08 C 11 46 44.97 +01 35 46.8 18.1 c 704
2002-01-21 10:28:58 C 11 46 44.40 +01 35 43.4 18.7 c 704
2002-01-21 10:39:19 C 11 46 44.22 +01 35 41.6 c 670
2002-01-21 12:42:31 C 11 46 40.96 +01 35 22.2 c 670
2002-01-22 09:01:49 C 11 46 09.76 +01 32 08.3 18.0 c 704
2002-01-22 09:24:30 C 11 46 09.15 +01 32 05.0 18.8 c 704
2002-01-22 09:49:03 C 11 46 08.37 +01 32 00.5 18.8 c 704
2002-01-22 10:13:03 C 11 46 07.77 +01 31 56.2 17.7 c 704
2002-01-22 10:35:17 C 11 46 07.16 +01 31 53.1 18.0 c 704
2002-02-07 09:16:00 C 11 31 23.43 +00 52 02.0 17.2 c 704
2002-02-07 09:36:24 C 11 31 22.37 +00 52 01.0 17.9 c 704
2002-02-07 09:56:51 C 11 31 21.36 +00 52 00.1 17.9 c 704
2002-02-07 10:17:29 C 11 31 20.25 +00 51 58.7 17.7 c 704
2002-02-07 10:37:57 C 11 31 19.21 +00 51 57.4 17.6 c 704
2002-02-09 09:14:56 C 11 28 55.92 +00 49 49.9 17.3 c 704
2002-02-09 09:35:54 C 11 28 54.81 +00 49 49.3 17.5 c 704
2002-02-09 09:56:47 C 11 28 53.67 +00 49 48.9 17.4 c 704
2002-02-09 10:17:37 C 11 28 52.57 +00 49 48.2 17.5 c 704
2002-02-09 10:38:26 C 11 28 51.47 +00 49 47.2 17.8 c 704
2002-02-11 09:09:31 C 11 26 21.53 +00 48 14.6 17.2 c 704
2002-02-11 09:30:28 C 11 26 20.36 +00 48 13.9 17.3 c 704
2002-02-11 09:51:09 C 11 26 19.20 +00 48 13.2 17.3 c 704
2002-02-11 10:11:56 C 11 26 18.03 +00 48 12.9 17.4 c 704
2002-02-11 10:32:32 C 11 26 16.86 +00 48 12.1 17.1 c 704
2002-02-11 12:39:21 C 11 26 09.99 +00 48 12.3 18.8 m 608
2002-02-11 12:54:51 C 11 26 09.10 +00 48 10.8 19.0 m 608
2002-02-11 13:10:43 C 11 26 08.22 +00 48 10.3 18.5 m 608
2002-02-12 09:19:10 C 11 25 01.17 +00 47 39.0 17.5 c 704
2002-02-12 09:40:50 C 11 24 59.94 +00 47 38.7 17.8 c 704
2002-02-12 10:03:08 C 11 24 58.62 +00 47 37.2 17.7 c 704
2002-02-12 10:24:16 C 11 24 57.43 +00 47 37.5 17.3 c 704
2002-02-12 10:45:26 C 11 24 56.21 +00 47 37.1 17.7 c 704
2002-02-13 09:54:27 C 11 23 37.59 +00 47 12.9 17.3 c 704
2002-02-13 10:16:16 C 11 23 36.31 +00 47 12.7 17.5 c 704
2002-02-13 10:37:39 C 11 23 35.05 +00 47 12.4 17.2 c 704
2002-02-13 11:00:55 C 11 23 33.70 +00 47 12.3 17.6 c 704
2002-02-13 11:22:58 C 11 23 32.38 +00 47 12.0 17.3 c 704
2002-02-15 07:51:13 C 11 20 57.50 +00 46 48.5 18.0 c 704
2002-02-15 08:12:17 C 11 20 56.22 +00 46 48.2 18.7 c 704
2002-02-15 08:33:04 C 11 20 54.94 +00 46 48.0 17.8 c 704
2002-02-15 08:53:49 C 11 20 53.70 +00 46 48.0 17.9 c 704
2002-02-15 09:14:23 C 11 20 52.46 +00 46 47.7 17.7 c 704
2002-02-16 08:19:58 C 11 19 29.96 +00 46 47.6 17.9 c 704
2002-02-16 08:43:01 C 11 19 28.50 +00 46 47.1 17.3 c 704
2002-02-16 09:05:56 C 11 19 27.11 +00 46 46.7 17.9 c 704
2002-02-16 09:31:52 C 11 19 25.47 +00 46 47.2 18.2 c 704
2002-02-20 07:21:46 C 11 13 38.47 +00 47 59.6 17.4 c 704
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)