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
2025-03-07 18:34:25 C 05 01 23.23 +41 28 08.6 X C40
2025-03-07 18:36:44 C 05 01 23.52 +41 28 07.8 X C40
2025-03-07 18:38:57 C 05 01 23.79 +41 28 06.0 X C40
2025-03-07 18:41:10 C 05 01 24.05 +41 28 04.8 X C40
2025-03-07 18:43:22 C 05 01 24.31 +41 28 03.6 X C40
2025-03-07 18:54:45 C 05 01 25.997 +41 27 55.51 Z C23
2025-03-07 19:26:37 C 05 01 29.818 +41 27 39.20 Z C23
2025-03-07 20:27:18 C 05 01 37.344 +41 27 03.60 Z C23
2025-03-08 17:37:02 C 05 04 14.64 +41 15 02.2 X C40
2025-03-08 17:40:21 C 05 04 15.07 +41 15 00.6 X C40
2025-03-08 17:43:40 C 05 04 15.47 +41 14 58.6 X C40
2025-03-08 17:46:58 C 05 04 15.90 +41 14 56.8 X C40
2025-03-08 17:50:05 C 05 04 16.24 +41 14 54.4 X C40
2025-03-08 17:53:01 C 05 04 16.66 +41 14 53.5 X C40
2025-03-08 17:55:58 C 05 04 16.98 +41 14 51.4 X C40
2025-03-08 17:58:54 C 05 04 17.31 +41 14 50.0 X C40
2025-03-08 18:01:50 C 05 04 17.74 +41 14 48.5 X C40
2025-03-08 18:04:46 C 05 04 18.08 +41 14 46.9 X C40
2025-03-08 18:07:43 C 05 04 18.43 +41 14 44.8 X C40
2025-03-08 18:10:39 C 05 04 18.76 +41 14 43.3 X C40
2025-03-08 18:14:46 B 05 04 19.28 +41 14 40.4 X L76
2025-03-08 18:24:59 B 05 04 20.47 +41 14 34.2 X L76
2025-03-08 18:35:13 B 05 04 21.79 +41 14 28.2 X L76
2025-03-09 00:27:07 C 05 05 05.239 +41 11 10.50 V W53
2025-03-09 00:37:54 C 05 05 06.554 +41 11 04.56 V W53
2025-03-09 00:49:26 C 05 05 07.999 +41 10 57.90 V W53
2025-03-09 02:39:04 C 05 05 21.319 +41 09 54.72 V W53
2025-03-09 02:49:51 C 05 05 22.622 +41 09 47.84 V W53
2025-03-09 03:01:30 C 05 05 24.055 +41 09 41.47 V W53
2025-03-09 07:43:28 C 05 05 58.594 +41 07 03.68 V T05
2025-03-09 07:48:42 C 05 05 59.287 +41 07 00.91 V T05
2025-03-09 07:57:24 C 05 06 00.324 +41 06 56.02 V T05
2025-03-09 08:13:14 C 05 06 02.230 +41 06 46.84 V T05
2025-03-09 09:18:02 C 05 06 10.226 +41 06 09.68 V T05
2025-03-10 18:48:00 C 05 10 15.427 +40 47 12.73 Z C23
2025-03-10 19:18:20 C 05 10 19.027 +40 46 55.60 Z C23
2025-03-10 19:47:23 C 05 10 22.507 +40 46 38.89 Z C23
2025-03-12 18:16:37 C 05 15 56.940 +40 20 36.28 V 088
2025-03-12 18:19:42 C 05 15 57.401 +40 20 34.33 V 088
2025-03-12 18:22:50 C 05 15 57.701 +40 20 32.64 V 088
2025-03-12 18:25:56 C 05 15 58.030 +40 20 30.98 V 088
2025-03-15 06:17:27 C 05 23 00.624 +39 47 14.89 V T08
2025-03-15 06:22:13 C 05 23 01.154 +39 47 12.55 V T08
2025-03-15 06:30:18 C 05 23 02.057 +39 47 08.34 V T08
2025-03-15 06:45:10 C 05 23 03.761 +39 46 59.34 V T08
2025-03-15 08:56:52 C 05 23 18.898 +39 45 45.00 V T05
2025-03-15 09:01:31 C 05 23 19.445 +39 45 42.30 V T05
2025-03-15 09:09:29 C 05 23 20.405 +39 45 37.76 V T05
2025-03-15 09:27:57 C 05 23 22.526 +39 45 27.40 V T05
2025-03-15 19:18:33 C 05 24 31.390 +39 40 00.52 Z C23
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)