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
2024-09-10 10:34:01 B 17 06 51.18 -33 22 25.4 q Q73
2024-09-10 10:39:20 B 17 06 51.81 -33 22 12.5 q Q73
2024-09-10 10:44:40 B 17 06 52.43 -33 21 59.6 q Q73
2024-09-10 11:29:45 B 17 06 57.79 -33 20 09.9 q Q73
2024-09-10 11:35:07 B 17 06 58.42 -33 19 56.9 q Q73
2024-09-10 11:40:27 B 17 06 59.05 -33 19 43.8 q Q73
2024-09-13 00:09:31 C 17 14 25.433 -30 52 26.90 V W68
2024-09-13 00:13:33 C 17 14 25.908 -30 52 16.90 V W68
2024-09-13 01:18:38 C 17 14 33.562 -30 49 34.36 V W68
2024-09-13 19:18:41 C 17 16 46.325 -30 04 48.43 V M22
2024-09-13 19:23:21 C 17 16 46.870 -30 04 36.62 V M22
2024-09-13 19:31:57 C 17 16 47.899 -30 04 14.88 V M22
2024-09-13 19:48:28 C 17 16 49.862 -30 03 33.23 V M22
2024-09-17 18:48:58 C 17 28 30.029 -26 01 06.24 V M22
2024-09-17 19:17:02 C 17 28 33.338 -25 59 52.48 V M22
2024-09-17 19:27:34 C 17 28 34.591 -25 59 24.68 V M22
2024-09-20 00:46:52 C 17 35 06.132 -23 39 04.32 V W68
2024-09-20 00:53:34 C 17 35 06.922 -23 38 46.64 V W68
2024-09-20 01:04:30 C 17 35 08.198 -23 38 17.12 V W68
2024-09-20 10:04:39 S 17 36 14.516 -23 14 42.08 X 275
2024-09-21 00:15:38 C 17 37 58.154 -22 36 24.52 V W68
2024-09-21 00:28:19 C 17 37 59.628 -22 35 50.28 V W68
2024-09-21 00:42:42 C 17 38 01.313 -22 35 11.40 V W68
2024-09-21 01:24:42 C 17 38 06.233 -22 33 17.71 V W68
2024-09-21 01:38:04 C 17 38 07.810 -22 32 41.35 V W68
2024-09-21 01:52:54 C 17 38 09.559 -22 32 01.25 V W68
2024-09-22 19:02:38 C 17 43 10.236 -20 40 55.92 V M22
2024-09-22 19:10:03 C 17 43 11.107 -20 40 35.62 V M22
2024-09-22 19:16:03 C 17 43 11.818 -20 40 19.24 V M22
2024-09-22 19:30:49 C 17 43 13.546 -20 39 38.81 V M22
2024-09-24 02:23:53 C 17 46 58.128 -19 15 23.51 V W68
2024-09-24 02:36:21 C 17 46 59.602 -19 14 48.95 V W68
2024-09-24 02:51:33 C 17 47 01.409 -19 14 07.01 V W68
2024-09-26 18:59:08 C 17 54 46.562 -16 17 10.28 V M22
2024-09-26 19:03:54 C 17 54 47.114 -16 16 56.93 V M22
2024-09-26 19:13:27 C 17 54 48.228 -16 16 30.29 V M22
2024-09-26 19:28:06 C 17 54 49.934 -16 15 49.18 V M22
2024-09-29 01:37:42 C 18 01 20.371 -13 44 40.42 V W68
2024-09-29 01:43:12 C 18 01 21.012 -13 44 25.01 V W68
2024-09-29 01:51:10 C 18 01 21.938 -13 44 02.54 V W68
2024-09-29 02:08:59 C 18 01 24.019 -13 43 12.32 V W68
2024-09-30 09:25:06 B 18 05 09.11 -12 15 26.7 q Q73
2024-09-30 09:30:16 B 18 05 09.71 -12 15 12.0 q Q73
2024-09-30 09:35:27 B 18 05 10.30 -12 14 57.6 q Q73
2024-09-30 10:01:54 B 18 05 13.34 -12 13 43.0 q Q73
2024-09-30 10:02:56 B 18 05 13.45 -12 13 40.0 q Q73
2024-09-30 10:03:58 B 18 05 13.57 -12 13 37.2 q Q73
2024-09-30 10:05:00 B 18 05 13.69 -12 13 34.2 q Q73
2024-09-30 10:06:03 B 18 05 13.82 -12 13 31.3 q Q73
2024-09-30 10:07:16 B 18 05 13.95 -12 13 27.8 q Q73
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)