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
2002-03-12 05:33:43 C 10 42 29.68 +01 15 54.3 c 699
2002-03-12 05:51:42 C 10 42 28.59 +01 15 55.6 c 699
2002-03-12 06:09:44 C 10 42 27.47 +01 15 57.5 c 699
2002-03-12 06:09:52 C 10 42 27.71 +01 15 55.0 17.1 c 704
2002-03-12 06:30:02 C 10 42 26.40 +01 15 56.4 17.3 c 704
2002-03-12 06:50:48 C 10 42 25.07 +01 15 58.3 17.2 c 704
2002-03-12 07:10:57 C 10 42 23.78 +01 15 59.8 17.3 c 704
2002-03-12 07:29:53 C 10 42 22.56 +01 16 01.2 17.2 c 704
2002-03-13 05:51:35 C 10 40 59.03 +01 17 49.9 17.1 c 704
2002-03-13 06:11:40 C 10 40 57.77 +01 17 51.5 17.7 c 704
2002-03-13 06:51:18 C 10 40 55.26 +01 17 54.4 17.7 c 704
2002-03-13 07:10:15 C 10 40 54.04 +01 17 56.2 17.3 c 704
2002-03-14 08:05:47 C 10 39 22.27 +01 19 55.3 17.0 c 644
2002-03-14 08:36:19 C 10 39 20.36 +01 19 57.8 17.2 c 644
2002-03-14 09:06:59 C 10 39 18.46 +01 20 00.0 17.2 c 644
2002-03-16 07:28:03 C 10 36 31.66 +01 23 42.0 17.4 c 704
2002-03-16 07:47:20 C 10 36 30.50 +01 23 43.7 17.7 c 704
2002-03-16 08:06:49 C 10 36 29.33 +01 23 45.0 17.7 c 704
2002-03-16 08:26:27 C 10 36 28.16 +01 23 46.5 18.0 c 704
2002-03-16 08:47:19 C 10 36 26.90 +01 23 48.7 17.8 c 704
2002-04-04 03:01:43 C 10 14 54.55 +01 52 03.3 c 699
2002-04-04 03:40:16 C 10 14 53.25 +01 52 04.6 c 699
2002-04-04 04:18:36 C 10 14 51.76 +01 52 06.0 c 699
2002-04-04 04:56:54 C 10 14 50.34 +01 52 07.4 c 699
2002-04-10 04:47:09 C 10 10 26.22 +01 55 53.6 18.5 c 704
2002-04-10 05:04:01 C 10 10 25.76 +01 55 54.5 17.4 c 704
2002-04-10 05:21:15 C 10 10 25.33 +01 55 54.2 18.4 c 704
2002-04-10 05:37:58 C 10 10 24.87 +01 55 53.5 18.6 c 704
2002-04-12 04:26:21 C 10 09 15.43 +01 56 24.0 17.5 c 704
2002-04-12 04:46:21 C 10 09 14.94 +01 56 24.1 17.9 c 704
2002-04-12 05:06:43 C 10 09 14.42 +01 56 24.2 17.9 c 704
2002-04-12 05:26:38 C 10 09 13.94 +01 56 24.6 18.2 c 704
2002-04-12 05:46:35 C 10 09 13.39 +01 56 24.6 18.2 c 704
2002-04-14 03:04:33 C 10 08 14.24 +01 56 32.5 18.4 c 704
2002-04-14 03:25:23 C 10 08 13.78 +01 56 32.5 18.5 c 704
2002-04-14 03:46:40 C 10 08 13.32 +01 56 32.6 18.6 c 704
2002-04-14 04:06:37 C 10 08 12.88 +01 56 32.0 18.7 c 704
2002-04-14 04:27:41 C 10 08 12.41 +01 56 31.8 18.6 c 704
2002-04-14 05:02:05 C 10 08 11.73 +01 56 32.0 18.2 c 704
2002-04-14 05:23:32 C 10 08 11.24 +01 56 31.4 18.3 c 704
2002-04-14 05:43:31 C 10 08 10.84 +01 56 31.5 18.5 c 704
2002-04-14 06:03:23 C 10 08 10.38 +01 56 30.8 18.5 c 704
2002-04-14 06:24:18 C 10 08 09.93 +01 56 31.6 18.5 c 704
2002-04-28 05:38:31 C 10 04 34.45 +01 45 45.8 o 608
2002-04-28 05:53:53 C 10 04 34.40 +01 45 44.5 o 608
2002-04-28 06:09:35 C 10 04 34.32 +01 45 44.0 o 608
2003-04-12 18:25:29 C 21 01 38.84 -41 10 33.2 e 428
2003-04-12 18:29:58 C 21 01 39.45 -41 10 31.7 e 428
2003-04-12 18:34:28 C 21 01 40.11 -41 10 30.0 e 428
2003-07-29 02:24:25 C 03 19 04.79 +23 39 00.3 c 196
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)