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
2024-11-25 16:47:11 C 20 59 25.843 +39 39 35.39 i M71
2024-11-25 17:13:12 C 20 59 30.123 +39 40 13.95 i M71
2024-11-27 07:06:49 C 21 05 55.997 +40 36 07.81 V T05
2024-11-27 07:11:25 C 21 05 56.782 +40 36 14.33 V T05
2024-11-27 07:19:21 C 21 05 58.121 +40 36 25.52 V T05
2024-11-27 07:35:14 C 21 06 00.816 +40 36 47.88 V T05
2024-11-27 16:52:51 C 21 07 37.891 +40 50 11.46 i M71
2024-11-27 17:14:17 C 21 07 41.490 +40 50 42.23 i M71
2024-11-27 17:36:18 C 21 07 45.224 +40 51 13.49 i M71
2024-11-28 17:39:50 C 21 11 57.840 +41 25 22.62 Z C23
2024-11-28 18:56:17 C 21 12 11.129 +41 27 08.64 Z C23
2024-11-28 21:00:13 C 21 12 32.734 +41 29 59.24 Z C23
2024-11-29 07:50:46 C 21 14 27.497 +41 45 12.13 V T05
2024-11-29 07:56:07 C 21 14 28.464 +41 45 19.37 V T05
2024-11-29 08:10:44 C 21 14 31.051 +41 45 38.95 V T05
2024-11-29 17:19:38 C 21 16 10.181 +41 58 15.28 Z C23
2024-11-29 17:49:06 C 21 16 15.286 +41 58 55.49 Z C23
2024-12-03 04:49:10 C 21 31 31.654 +43 48 29.27 V T05
2024-12-03 04:54:35 C 21 31 32.652 +43 48 36.04 V T05
2024-12-03 05:03:07 C 21 31 34.212 +43 48 46.66 V T05
2024-12-03 05:17:24 C 21 31 36.833 +43 49 04.33 V T05
2024-12-05 05:46:02 C 21 40 55.718 +44 48 40.14 V T08
2024-12-05 05:53:59 C 21 40 57.228 +44 48 49.39 V T08
2024-12-05 06:08:01 C 21 40 59.904 +44 49 05.66 V T08
2024-12-05 06:12:01 C 21 41 00.665 +44 49 10.34 V T08
2024-12-07 16:16:24 C 21 52 34.06 +45 56 12.8 V C40
2024-12-07 16:19:25 C 21 52 34.66 +45 56 16.2 V C40
2024-12-07 16:22:26 C 21 52 35.26 +45 56 19.4 V C40
2024-12-07 16:25:27 C 21 52 35.86 +45 56 22.9 V C40
2024-12-07 16:28:28 C 21 52 36.45 +45 56 26.0 V C40
2024-12-07 16:31:28 C 21 52 37.05 +45 56 29.3 V C40
2024-12-07 16:34:29 C 21 52 37.65 +45 56 32.6 V C40
2024-12-07 16:37:30 C 21 52 38.25 +45 56 36.0 V C40
2024-12-07 16:40:30 C 21 52 38.85 +45 56 39.2 V C40
2024-12-07 16:43:31 C 21 52 39.44 +45 56 42.5 V C40
2024-12-07 16:46:32 C 21 52 40.04 +45 56 45.7 V C40
2024-12-07 16:49:33 C 21 52 40.64 +45 56 49.0 V C40
2024-12-08 19:47:41 C 21 58 10.918 +46 26 18.78 Z C23
2024-12-08 19:49:26 C 21 58 11.321 +46 26 20.69 Z C23
2024-12-08 19:55:45 C 21 58 12.593 +46 26 27.35 Z C23
2024-12-09 05:27:10 C 22 00 10.490 +46 36 47.81 V T08
2024-12-09 05:31:46 C 22 00 11.419 +46 36 52.60 V T08
2024-12-09 05:35:43 C 22 00 12.204 +46 36 56.66 V T08
2024-12-09 05:39:01 C 22 00 12.888 +46 36 59.98 V T08
2024-12-09 05:47:06 C 22 00 14.518 +46 37 08.44 V T08
2024-12-09 05:51:50 C 22 00 15.466 +46 37 13.26 V T08
2024-12-09 05:55:08 C 22 00 16.147 +46 37 16.61 V T08
2024-12-09 05:55:47 C 22 00 16.272 +46 37 17.40 V T08
2024-12-09 05:57:07 C 22 00 16.529 +46 37 18.70 V T08
2024-12-09 06:05:14 C 22 00 18.175 +46 37 27.01 V T08
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)