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
2024-08-24 00:24:05 C 16 17 23.510 -48 11 35.20 V W68
2024-08-24 10:41:44 B 16 18 31.61 -47 52 19.1 q Q73
2024-08-24 10:49:49 B 16 18 32.40 -47 52 03.8 q Q73
2024-08-24 10:57:57 B 16 18 33.30 -47 51 47.9 q Q73
2024-08-25 23:34:03 C 16 22 40.250 -46 42 28.80 V W68
2024-08-25 23:38:41 C 16 22 40.747 -46 42 19.76 V W68
2024-08-25 23:46:28 C 16 22 41.570 -46 42 04.75 V W68
2024-08-26 22:29:29 B 16 25 16.15 -45 58 12.3 Z X91
2024-08-26 22:39:31 B 16 25 17.22 -45 57 52.6 Z X91
2024-08-26 22:53:44 B 16 25 18.75 -45 57 24.5 Z X91
2024-08-28 23:43:08 C 16 30 56.278 -44 20 49.13 V W68
2024-08-28 23:47:15 C 16 30 56.719 -44 20 40.92 V W68
2024-08-29 00:12:44 C 16 30 59.513 -44 19 49.22 V W68
2024-08-29 23:58:03 C 16 33 45.766 -43 31 43.68 V W68
2024-08-30 00:03:15 C 16 33 46.332 -43 31 33.02 V W68
2024-08-30 00:12:14 C 16 33 47.335 -43 31 14.52 V W68
2024-08-30 00:38:18 C 16 33 50.203 -43 30 20.66 V W68
2024-08-30 09:07:37 B 16 34 50.21 -43 12 58.5 q Q73
2024-08-30 09:17:58 B 16 34 51.35 -43 12 37.1 q Q73
2024-08-30 09:28:22 B 16 34 52.49 -43 12 15.5 q Q73
2024-08-30 11:33:24 B 16 35 06.52 -43 07 54.9 q Q73
2024-08-30 11:43:43 B 16 35 07.71 -43 07 33.2 q Q73
2024-08-30 11:54:03 B 16 35 08.88 -43 07 11.6 q Q73
2024-08-31 00:18:15 C 16 36 37.114 -42 41 41.89 V W68
2024-08-31 00:36:05 C 16 36 39.110 -42 41 04.34 V W68
2024-08-31 00:41:36 C 16 36 39.730 -42 40 52.93 V W68
2024-08-31 00:51:46 C 16 36 40.865 -42 40 31.58 V W68
2024-08-31 17:39:01 C 16 38 40.310 -42 05 34.55 V M22
2024-08-31 17:43:35 C 16 38 40.824 -42 05 24.90 V M22
2024-08-31 18:32:33 C 16 38 46.315 -42 03 41.33 V M22
2024-08-31 18:41:46 C 16 38 47.354 -42 03 21.67 V M22
2024-09-02 23:48:30 C 16 45 07.615 -40 10 17.04 V W68
2024-09-03 00:06:43 C 16 45 09.684 -40 09 37.26 V W68
2024-09-03 00:13:22 C 16 45 10.423 -40 09 22.82 V W68
2024-09-03 00:17:29 C 16 45 10.889 -40 09 13.72 V W68
2024-09-03 00:25:59 C 16 45 11.866 -40 08 55.21 V W68
2024-09-03 00:40:32 C 16 45 13.522 -40 08 23.35 V W68
2024-09-04 01:12:19 C 16 48 10.315 -39 14 51.65 V W68
2024-09-04 01:16:54 C 16 48 10.841 -39 14 41.28 V W68
2024-09-04 01:25:03 C 16 48 11.782 -39 14 23.24 V W68
2024-09-04 01:59:59 C 16 48 15.823 -39 13 05.16 V W68
2024-09-05 10:21:13 B 16 52 10.79 -38 01 16.6 q Q73
2024-09-05 10:26:30 B 16 52 11.40 -38 01 04.6 q Q73
2024-09-05 10:31:52 B 16 52 12.04 -38 00 52.3 q Q73
2024-09-07 01:46:12 C 16 56 58.003 -36 31 54.59 V W68
2024-09-07 01:51:05 C 16 56 58.574 -36 31 43.21 V W68
2024-09-07 02:48:14 C 16 57 05.330 -36 29 29.90 V W68
2024-09-07 23:56:18 C 16 59 40.879 -35 40 48.54 V W68
2024-09-08 00:09:21 C 16 59 42.401 -35 40 18.12 V W68
2024-09-08 00:24:34 C 16 59 44.162 -35 39 42.48 V W68
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)