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
2017-11-28 00:03:28 C 18 42 49.26 +85 45 10.4 m W78
2017-11-28 00:04:59 C 18 42 50.69 +85 45 10.5 m W78
2017-11-28 00:11:07 C 18 42 54.98 +85 45 13.2 m W78
2017-11-28 00:12:40 C 18 42 55.84 +85 45 15.7 m W78
2017-11-28 00:14:11 C 18 42 56.64 +85 45 16.6 m W78
2017-11-28 00:15:44 C 18 42 58.06 +85 45 18.0 m W78
2017-11-28 00:20:20 C 18 43 00.93 +85 45 20.1 m W78
2017-11-28 00:21:53 C 18 43 02.25 +85 45 22.7 m W78
2017-11-28 00:23:24 C 18 43 02.98 +85 45 21.3 m W78
2017-11-28 00:24:57 C 18 43 04.33 +85 45 24.7 m W78
2017-11-28 00:26:28 C 18 43 05.37 +85 45 24.5 m W78
2017-11-28 00:28:01 C 18 43 06.12 +85 45 26.9 m W78
2017-11-28 00:29:32 C 18 43 07.41 +85 45 28.6 m W78
2017-11-28 00:32:36 C 18 43 09.43 +85 45 31.5 m W78
2017-11-28 00:40:18 C 18 43 14.81 +85 45 36.0 m W78
2017-11-28 00:44:53 C 18 43 17.92 +85 45 38.3 m W78
2017-11-28 00:46:26 C 18 43 19.09 +85 45 40.9 m W78
2017-11-28 00:54:06 C 18 43 24.17 +85 45 44.8 m W78
2017-11-28 00:55:37 C 18 43 25.51 +85 45 47.7 m W78
2017-11-28 00:57:10 C 18 43 26.34 +85 45 47.4 m W78
2017-11-28 00:58:41 C 18 43 27.13 +85 45 47.5 m W78
2017-11-28 01:00:14 C 18 43 28.50 +85 45 49.0 m W78
2017-11-28 01:11:16 C 18 43 36.31 +85 45 58.3 m W78
2017-11-28 01:18:57 C 18 43 41.36 +85 46 04.3 m W78
2017-11-28 01:20:29 C 18 43 42.79 +85 46 04.0 m W78
2017-11-28 01:26:37 C 18 43 46.98 +85 46 07.4 m W78
2017-11-28 01:29:41 C 18 43 49.19 +85 46 11.7 m W78
2017-11-28 01:31:14 C 18 43 50.13 +85 46 12.0 m W78
2017-11-28 01:32:45 C 18 43 51.29 +85 46 14.4 m W78
2017-11-28 01:34:18 C 18 43 52.16 +85 46 16.0 m W78
2017-11-28 01:40:27 C 18 43 56.98 +85 46 17.2 m W78
2017-11-28 01:43:31 C 18 43 59.02 +85 46 19.7 m W78
2017-11-28 01:51:10 C 18 44 04.12 +85 46 25.0 m W78
2017-11-28 01:54:14 C 18 44 06.22 +85 46 30.0 m W78
2017-11-28 01:57:19 C 18 44 08.59 +85 46 31.1 m W78
2017-11-28 01:58:50 C 18 44 09.60 +85 46 31.9 m W78
2017-11-28 02:00:23 C 18 44 10.63 +85 46 33.2 m W78
2017-11-28 02:01:54 C 18 44 12.11 +85 46 34.4 m W78
2017-11-28 02:03:27 C 18 44 12.72 +85 46 35.7 m W78
2017-11-28 02:04:58 C 18 44 13.93 +85 46 38.2 m W78
2017-11-28 02:06:31 C 18 44 14.90 +85 46 38.1 m W78
2017-11-28 02:09:35 C 18 44 17.26 +85 46 39.5 m W78
2017-11-28 02:11:07 C 18 44 18.54 +85 46 42.4 m W78
2017-11-28 02:12:40 C 18 44 20.09 +85 46 43.8 m W78
2017-11-28 02:20:19 C 18 44 25.27 +85 46 48.9 m W78
2017-11-28 02:28:01 C 18 44 30.44 +85 46 53.4 m W78
2017-11-28 02:29:32 C 18 44 31.54 +85 46 54.3 m W78
2017-11-28 02:34:09 C 18 44 34.71 +85 46 57.3 m W78
2017-11-28 02:35:40 C 18 44 36.00 +85 47 00.0 m W78
2017-11-28 02:37:13 C 18 44 37.12 +85 46 58.6 m W78
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)