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
2025-01-29 20:39:30 C 02 44 26.70 +49 56 11.9 X D04
2025-01-29 20:45:07 C 02 44 27.75 +49 56 09.1 X D04
2025-01-29 20:50:44 C 02 44 28.86 +49 56 06.4 X D04
2025-01-29 20:56:21 C 02 44 29.95 +49 56 03.3 X D04
2025-01-29 21:01:58 C 02 44 31.04 +49 56 00.3 X D04
2025-01-29 21:07:36 C 02 44 32.12 +49 55 57.6 X D04
2025-01-29 21:13:13 C 02 44 33.19 +49 55 54.5 X D04
2025-01-29 21:18:50 C 02 44 34.28 +49 55 51.4 X D04
2025-01-30 02:01:39 B 02 45 29.18 +49 53 33.9 Z W45
2025-01-30 02:22:28 B 02 45 33.13 +49 53 23.0 Z W45
2025-01-30 02:43:15 B 02 45 37.09 +49 53 12.0 Z W45
2025-01-30 19:04:42 C 02 48 45.84 +49 44 51.6 X D04
2025-01-30 19:10:20 C 02 48 46.94 +49 44 49.0 X D04
2025-01-30 19:15:57 C 02 48 48.02 +49 44 46.5 X D04
2025-01-30 19:21:34 C 02 48 49.06 +49 44 42.5 X D04
2025-01-30 19:27:11 C 02 48 50.14 +49 44 40.0 X D04
2025-01-30 19:32:48 C 02 48 51.21 +49 44 37.4 X D04
2025-01-30 19:38:26 C 02 48 52.24 +49 44 34.2 X D04
2025-01-30 19:44:03 C 02 48 53.32 +49 44 31.3 X D04
2025-01-30 19:49:40 C 02 48 54.42 +49 44 28.6 X D04
2025-01-30 19:55:16 C 02 48 55.49 +49 44 25.2 X D04
2025-01-30 20:00:53 C 02 48 56.50 +49 44 23.1 X D04
2025-01-30 20:06:30 C 02 48 57.61 +49 44 19.7 X D04
2025-01-30 21:13:52 C 02 49 10.646 +49 43 45.23 Z C23
2025-01-30 21:42:16 C 02 49 16.027 +49 43 30.22 Z C23
2025-01-30 22:29:09 C 02 49 24.965 +49 43 05.52 Z C23
2025-01-31 19:27:50 C 02 53 24.350 +49 32 17.09 Z C23
2025-01-31 19:39:15 C 02 53 26.15 +49 32 09.1 X D04
2025-01-31 19:44:52 C 02 53 27.26 +49 32 07.2 X D04
2025-01-31 19:50:29 C 02 53 28.32 +49 32 04.5 X D04
2025-01-31 20:01:44 C 02 53 30.43 +49 31 57.7 X D04
2025-01-31 20:07:21 C 02 53 31.44 +49 31 54.9 X D04
2025-01-31 20:10:31 C 02 53 32.333 +49 31 54.26 Z C23
2025-01-31 20:12:58 C 02 53 32.45 +49 31 51.2 X D04
2025-01-31 20:18:24 C 02 53 33.52 +49 31 49.3 X D04
2025-01-31 20:28:54 C 02 53 35.50 +49 31 43.3 X D04
2025-01-31 20:34:09 C 02 53 36.49 +49 31 40.5 X D04
2025-01-31 20:53:05 C 02 53 40.277 +49 31 31.62 Z C23
2025-02-01 05:51:35 C 02 55 21.406 +49 26 51.14 Z U76
2025-02-01 06:07:14 C 02 55 24.307 +49 26 42.54 Z U76
2025-02-01 06:22:14 C 02 55 27.084 +49 26 34.37 Z U76
2025-02-01 19:29:59 C 02 57 54.852 +49 19 39.18 Z C23
2025-02-01 19:55:44 C 02 57 59.638 +49 19 25.03 Z C23
2025-02-01 20:15:19 C 02 58 03.230 +49 19 14.56 Z C23
2025-02-01 22:53:07 C 02 58 32.41 +49 17 46.8 X D04
2025-02-01 23:06:39 C 02 58 35.01 +49 17 39.1 X D04
2025-02-01 23:20:12 C 02 58 37.50 +49 17 31.0 X D04
2025-02-02 19:22:48 C 03 02 20.177 +49 06 54.04 Z C23
2025-02-02 19:53:19 C 03 02 25.706 +49 06 37.94 Z C23
2025-02-02 20:36:37 C 03 02 33.588 +49 06 13.54 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)