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
2017-09-05 01:37:56 C 20 25 19.16 +31 49 05.0 H78
2017-09-05 01:38:21 C 20 25 18.98 +31 49 12.1 H78
2017-09-05 01:39:11 C 20 25 18.60 +31 49 25.7 H78
2017-09-05 01:40:00 C 20 25 18.24 +31 49 39.6 H78
2017-09-05 01:40:25 C 20 25 18.05 +31 49 46.5 H78
2017-09-05 01:41:14 C 20 25 17.70 +31 50 00.5 H78
2017-09-05 01:42:04 C 20 25 17.32 +31 50 14.3 H78
2017-09-05 01:42:28 C 20 25 17.15 +31 50 21.0 H78
2017-09-05 01:43:18 C 20 25 16.78 +31 50 34.7 H78
2017-09-05 01:44:07 C 20 25 16.42 +31 50 49.0 H78
2017-09-05 01:44:31 C 20 25 16.24 +31 50 55.6 H78
2017-09-05 01:45:21 C 20 25 15.88 +31 51 09.4 H78
2017-09-05 01:46:11 C 20 25 15.51 +31 51 23.2 H78
2017-09-05 01:46:35 C 20 25 15.33 +31 51 30.1 H78
2017-09-05 01:47:24 C 20 25 14.97 +31 51 44.1 H78
2017-09-05 01:48:13 C 20 25 14.59 +31 51 57.8 H78
2017-09-05 01:48:38 C 20 25 14.42 +31 52 04.8 H78
2017-09-05 01:49:28 C 20 25 14.04 +31 52 18.6 H78
2017-09-05 01:50:17 C 20 25 13.69 +31 52 32.1 H78
2017-09-05 01:50:42 C 20 25 13.50 +31 52 39.1 H78
2017-09-05 01:51:31 C 20 25 13.13 +31 52 53.0 H78
2017-09-05 01:52:20 C 20 25 12.78 +31 53 06.9 H78
2017-09-05 01:52:53 C 20 25 12.53 +31 53 16.3 H78
2017-09-05 01:53:43 C 20 25 12.15 +31 53 29.7 H78
2017-09-05 01:54:32 C 20 25 11.80 +31 53 43.6 H78
2017-09-05 01:54:57 C 20 25 11.62 +31 53 50.7 H78
2017-09-05 01:55:47 C 20 25 11.25 +31 54 04.6 H78
2017-09-05 01:56:36 C 20 25 10.88 +31 54 18.3 H78
2017-09-05 01:57:01 C 20 25 10.71 +31 54 25.5 H78
2017-09-05 01:57:50 C 20 25 10.33 +31 54 38.8 H78
2017-09-05 01:58:40 C 20 25 09.99 +31 54 52.6 H78
2017-09-05 01:59:04 C 20 25 09.79 +31 54 59.7 H78
2017-09-05 01:59:53 C 20 25 09.43 +31 55 13.4 H78
2017-09-05 02:00:43 C 20 25 09.06 +31 55 27.2 H78
2017-09-05 02:01:07 C 20 25 08.87 +31 55 34.1 H78
2017-09-05 02:01:58 C 20 25 08.51 +31 55 47.9 H78
2017-09-05 02:02:47 C 20 25 08.14 +31 56 01.7 H78
2017-09-05 02:03:11 C 20 25 07.96 +31 56 08.7 H78
2017-09-05 02:04:01 C 20 25 07.58 +31 56 22.3 H78
2017-09-05 02:04:50 C 20 25 07.25 +31 56 36.2 H78
2017-09-05 02:05:15 C 20 25 07.05 +31 56 43.3 H78
2017-09-05 02:06:05 C 20 25 06.68 +31 56 56.7 H78
2017-09-05 02:06:54 C 20 25 06.31 +31 57 10.4 H78
2017-09-05 02:07:18 C 20 25 06.13 +31 57 17.3 H78
2017-09-05 02:08:07 C 20 25 05.77 +31 57 31.2 H78
2017-09-05 02:08:57 C 20 25 05.41 +31 57 44.8 H78
2017-09-05 02:09:22 C 20 25 05.22 +31 57 51.8 H78
2017-09-05 02:10:12 C 20 25 04.86 +31 58 05.6 H78
2017-09-05 02:11:01 C 20 25 04.51 +31 58 19.5 H78
2017-09-05 02:12:15 C 20 25 03.96 +31 58 40.2 H78
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)