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
2019-04-02 05:12:01 C 13 32 39.24 -40 17 25.2 o W92
2019-04-02 05:23:22 C 13 32 38.35 -40 17 27.7 o W92
2019-04-02 11:40:36 C 13 32 12.42 -40 18 52.0 V T08
2019-04-02 11:53:12 C 13 32 11.49 -40 18 55.0 V T08
2019-04-02 12:05:49 C 13 32 10.62 -40 18 57.0 V T08
2019-04-02 12:18:25 C 13 32 09.69 -40 18 59.6 V T08
2019-04-03 05:37:58 C 13 30 57.68 -40 22 23.9 o W92
2019-04-03 05:41:43 C 13 30 57.48 -40 22 24.5 o W92
2019-04-03 05:49:16 C 13 30 56.82 -40 22 26.2 o W92
2019-04-04 11:23:07 C 13 28 51.36 -40 27 54.3 V T05
2019-04-04 11:24:26 C 13 28 51.29 -40 27 54.9 V T05
2019-04-04 11:32:20 C 13 28 50.70 -40 27 56.7 V T05
2019-04-04 11:33:00 C 13 28 50.68 -40 27 56.3 V T05
2019-04-04 11:34:58 C 13 28 50.50 -40 27 56.5 V T05
2019-04-04 11:42:52 C 13 28 49.94 -40 27 57.7 V T05
2019-04-04 11:44:11 C 13 28 49.84 -40 27 58.2 V T05
2019-04-04 12:03:56 C 13 28 48.38 -40 28 01.4 V T05
2019-04-06 04:16:45 C 13 25 53.94 -40 34 16.3 o W92
2019-04-06 04:28:05 C 13 25 53.05 -40 34 17.8 o W92
2019-04-06 11:18:06 C 13 25 22.74 -40 35 19.1 V T08
2019-04-06 11:26:04 C 13 25 22.13 -40 35 20.9 V T08
2019-04-06 11:28:03 C 13 25 21.95 -40 35 20.5 V T08
2019-04-06 11:43:31 C 13 25 20.79 -40 35 23.2 V T08
2019-04-08 11:26:25 C 13 21 47.18 -40 41 01.6 V T05
2019-04-08 11:40:17 C 13 21 46.10 -40 41 03.1 V T05
2019-04-08 11:52:54 C 13 21 45.12 -40 41 04.5 V T05
2019-04-08 12:06:49 C 13 21 44.04 -40 41 05.4 V T05
2019-04-09 13:02:32 C 13 19 50.43 -40 43 15.5 q E89
2019-04-09 13:24:09 C 13 19 48.98 -40 43 16.2 q E89
2019-04-10 11:15:27 C 13 18 08.31 -40 44 55.8 V T08
2019-04-10 11:28:45 C 13 18 07.24 -40 44 56.5 V T08
2019-04-10 11:42:41 C 13 18 06.17 -40 44 56.8 V T08
2019-04-13 12:10:33 C 13 12 27.81 -40 47 19.1 q E89
2019-04-13 12:19:03 C 13 12 27.07 -40 47 19.0 q E89
2019-04-16 10:05:10 C 13 06 56.64 -40 45 48.5 V T05
2019-04-16 10:15:46 C 13 06 55.80 -40 45 47.7 V T05
2019-04-16 10:27:01 C 13 06 54.87 -40 45 47.3 V T05
2019-04-16 10:38:19 C 13 06 53.95 -40 45 47.1 V T05
2019-04-16 12:14:33 S 13 07 19.289 -40 45 21.42 V C57
2019-04-16 12:14:33 s 1 -93680.093 0 +373267.70 9580.0 C57
2019-04-16 12:44:33 S 13 07 16.853 -40 45 17.82 V C57
2019-04-16 12:44:33 s 1 -94696.773 0 +372859.75 2160.0 C57
2019-04-16 13:14:33 S 13 07 14.602 -40 45 16.16 V C57
2019-04-16 13:14:33 s 1 -95711.221 0 +372443.21 2730.0 C57
2019-04-16 13:44:33 S 13 07 12.242 -40 45 13.28 V C57
2019-04-16 13:44:33 s 1 -96723.410 0 +372018.09 1180.0 C57
2019-04-16 14:14:33 S 13 07 09.859 -40 45 13.97 V C57
2019-04-16 14:14:33 s 1 -97733.315 0 +371584.39 7410.0 C57
2019-04-16 14:44:33 S 13 07 07.488 -40 45 14.65 V C57
2019-04-16 14:44:33 s 1 -98740.909 0 +371142.09 1310.0 C57
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)