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
2023-01-28 07:35:00 C 10 47 12.548 +17 05 23.50 V 703
2023-01-28 07:42:36 C 10 47 12.044 +17 05 23.71 V 703
2023-01-28 07:50:12 C 10 47 11.530 +17 05 23.89 V 703
2023-01-28 08:12:03 C 10 47 10.093 +17 05 24.50 V 703
2023-01-28 21:13:08 C 10 46 18.84 +17 05 42.4 V D29
2023-01-28 21:14:24 C 10 46 18.75 +17 05 42.5 V D29
2023-01-28 21:33:30 C 10 46 17.48 +17 05 42.8 V D29
2023-01-28 21:34:46 C 10 46 17.39 +17 05 42.9 V D29
2023-01-28 21:53:51 C 10 46 16.12 +17 05 43.2 V D29
2023-01-28 21:55:08 C 10 46 16.03 +17 05 43.2 V D29
2023-01-29 06:47:09 C 10 45 41.68 +17 05 56.2 X 858
2023-01-29 07:02:19 C 10 45 40.66 +17 05 56.7 X 858
2023-01-29 07:17:30 C 10 45 39.63 +17 05 57.1 X 858
2023-01-29 21:15:18 C 10 44 43.51 +17 06 17.1 V D29
2023-01-29 21:21:40 C 10 44 43.08 +17 06 17.1 V D29
2023-01-29 21:35:40 C 10 44 42.13 +17 06 17.4 V D29
2023-01-29 21:42:02 C 10 44 41.70 +17 06 17.6 V D29
2023-01-29 21:56:02 C 10 44 40.74 +17 06 17.9 V D29
2023-01-29 22:02:24 C 10 44 40.32 +17 06 17.8 V D29
2023-01-30 15:49:46 C 10 43 29.09 +17 06 43.6 V D29
2023-01-30 15:52:09 C 10 43 28.92 +17 06 43.7 V D29
2023-01-30 16:08:48 C 10 43 27.78 +17 06 44.2 V D29
2023-01-30 16:11:11 C 10 43 27.61 +17 06 44.4 V D29
2023-01-30 16:27:50 C 10 43 26.46 +17 06 44.7 V D29
2023-01-30 16:30:13 C 10 43 26.29 +17 06 44.8 V D29
2023-01-31 07:03:05 C 10 42 26.849 +17 07 05.20 V 703
2023-01-31 07:10:45 C 10 42 26.327 +17 07 05.41 V 703
2023-01-31 07:18:26 C 10 42 25.772 +17 07 05.45 V 703
2023-01-31 07:26:07 C 10 42 25.236 +17 07 05.56 V 703
2023-01-31 15:51:08 C 10 41 50.54 +17 07 17.0 V D29
2023-01-31 16:07:43 C 10 41 49.36 +17 07 17.5 V D29
2023-01-31 16:08:50 C 10 41 49.29 +17 07 17.5 V D29
2023-01-31 16:25:25 C 10 41 48.11 +17 07 18.0 V D29
2023-01-31 16:26:32 C 10 41 48.04 +17 07 17.8 V D29
2023-01-31 16:43:07 C 10 41 46.85 +17 07 18.3 V D29
2023-02-02 06:46:02 C 10 39 07.286 +17 08 08.02 V G96
2023-02-02 06:54:52 C 10 39 06.656 +17 08 08.16 V G96
2023-02-02 07:03:42 C 10 39 06.012 +17 08 08.45 V G96
2023-02-02 07:12:33 C 10 39 05.368 +17 08 08.66 V G96
2023-02-03 06:35:24 C 10 37 25.302 +17 08 36.06 V 703
2023-02-03 06:41:46 C 10 37 24.863 +17 08 36.71 V 703
2023-02-03 06:48:08 C 10 37 24.416 +17 08 36.92 V 703
2023-02-03 06:54:30 C 10 37 23.905 +17 08 36.82 V 703
2023-02-07 22:41:50 C 10 29 08.18 +17 10 06.8 V M34
2023-02-07 22:54:23 C 10 29 07.23 +17 10 06.8 V M34
2023-02-07 23:15:19 C 10 29 05.61 +17 10 06.7 V M34
2023-02-08 20:17:37 C 10 27 30.05 +17 10 14.0 X G02
2023-02-08 20:22:58 C 10 27 29.62 +17 10 13.7 X G02
2023-02-08 20:27:55 C 10 27 29.22 +17 10 13.6 X G02
2023-02-09 00:14:05 C 10 27 11.75 +17 10 15.0 V M34
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)