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
2010-11-15 01:07:58 C 10 21 12.44 +60 53 44.2 c J93
2010-11-15 01:10:47 C 10 21 12.52 +60 53 44.9 c J93
2010-11-15 01:13:35 C 10 21 12.66 +60 53 45.0 c J93
2010-11-15 17:23:49 C 10 21 43.56 +60 55 49.9 c J93
2010-11-15 17:29:57 C 10 21 43.84 +60 55 50.6 c J93
2010-11-15 17:36:05 C 10 21 44.04 +60 55 51.7 c J93
2010-11-18 18:05:16 C 10 23 35.77 +61 07 30.6 o 300
2010-11-18 18:06:44 C 10 23 35.84 +61 07 30.9 o 300
2010-11-18 18:08:12 C 10 23 35.81 +61 07 31.3 o 300
2010-11-18 18:09:39 C 10 23 35.84 +61 07 31.9 o 300
2010-11-18 18:11:07 C 10 23 35.85 +61 07 32.0 o 300
2010-11-18 18:12:33 C 10 23 35.91 +61 07 32.1 o 300
2010-11-27 22:19:41 C 10 22 51.82 +61 56 30.3 c J93
2010-11-27 22:30:27 C 10 22 51.56 +61 56 33.5 c J93
2010-11-27 22:35:51 C 10 22 51.46 +61 56 35.1 c J93
2010-11-28 18:48:50 C 10 22 16.07 +62 02 14.1 o 300
2010-11-28 18:50:18 C 10 22 16.04 +62 02 14.4 o 300
2010-11-28 18:51:45 C 10 22 15.91 +62 02 15.2 o 300
2010-11-28 18:53:11 C 10 22 15.86 +62 02 15.5 o 300
2010-11-28 18:54:38 C 10 22 15.79 +62 02 15.9 o 300
2010-11-28 18:56:06 C 10 22 15.75 +62 02 16.1 o 300
2010-11-28 18:57:33 C 10 22 15.73 +62 02 16.7 o 300
2010-11-28 18:59:01 C 10 22 15.66 +62 02 16.9 o 300
2010-12-08 21:10:17 C 10 07 27.69 +63 12 22.5 v J93
2010-12-08 21:14:23 C 10 07 27.27 +63 12 23.9 v J93
2010-12-08 21:18:29 C 10 07 26.89 +63 12 25.2 v J93
2010-12-09 08:11:07 C 10 06 25.31 +63 15 41.5 o H21
2010-12-09 08:39:03 C 10 06 22.51 +63 15 50.1 o H21
2010-12-09 09:00:45 C 10 06 20.30 +63 15 56.6 o H21
2010-12-09 09:25:33 C 10 06 17.78 +63 16 03.9 o H21
2010-12-09 09:47:15 C 10 06 15.54 +63 16 10.2 o H21
2010-12-09 10:08:59 C 10 06 13.34 +63 16 16.6 o H21
2010-12-10 17:25:07 C 10 03 05.87 +63 24 53.0 o 300
2010-12-10 17:27:04 C 10 03 05.60 +63 24 53.2 o 300
2010-12-10 17:29:00 C 10 03 05.41 +63 24 53.9 o 300
2010-12-14 08:20:49 C 09 52 58.98 +63 46 21.7 o H21
2010-12-14 08:45:58 C 09 52 55.62 +63 46 27.6 o H21
2010-12-14 09:17:27 C 09 52 51.38 +63 46 34.9 o H21
2010-12-14 09:48:55 C 09 52 47.13 +63 46 42.0 o H21
2010-12-14 10:20:24 C 09 52 42.90 +63 46 48.9 o H21
2010-12-14 10:51:52 C 09 52 38.64 +63 46 55.7 o H21
2010-12-14 11:23:23 C 09 52 34.37 +63 47 02.3 o H21
2010-12-14 11:54:53 C 09 52 30.14 +63 47 08.7 o H21
2011-01-02 05:55:06 C 08 34 38.30 +63 16 10.3 o H21
2011-01-02 06:10:24 C 08 34 35.26 +63 16 03.8 o H21
2011-01-02 06:26:48 C 08 34 31.97 +63 15 56.6 o H21
2011-01-02 07:19:35 C 08 34 21.42 +63 15 32.9 o H21
2011-01-02 07:34:57 C 08 34 18.35 +63 15 26.2 o H21
2011-01-02 08:07:55 C 08 34 11.77 +63 15 11.0 o H21
2011-01-02 08:24:25 C 08 34 08.47 +63 15 03.4 o H21
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)