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
2017-09-05 02:13:04 C 20 25 03.58 +31 58 54.0 H78
2017-09-05 02:13:29 C 20 25 03.40 +31 59 00.7 H78
2017-09-05 02:14:18 C 20 25 03.04 +31 59 14.4 H78
2017-09-05 02:15:07 C 20 25 02.66 +31 59 28.3 H78
2017-09-05 02:15:32 C 20 25 02.48 +31 59 34.8 H78
2017-09-05 02:16:22 C 20 25 02.12 +31 59 48.8 H78
2017-09-05 02:17:11 C 20 25 01.77 +32 00 02.6 H78
2017-09-05 02:17:36 C 20 25 01.57 +32 00 09.4 H78
2017-09-05 02:18:25 C 20 25 01.20 +32 00 23.2 H78
2017-09-05 02:19:14 C 20 25 00.83 +32 00 36.4 H78
2017-09-05 02:19:39 C 20 25 00.67 +32 00 43.8 H78
2017-09-05 02:20:29 C 20 25 00.28 +32 00 57.5 H78
2017-09-05 02:21:18 C 20 24 59.92 +32 01 11.3 H78
2017-09-05 02:21:43 C 20 24 59.74 +32 01 18.0 H78
2017-09-05 02:22:32 C 20 24 59.39 +32 01 31.9 H78
2017-09-05 02:23:21 C 20 24 59.03 +32 01 45.6 H78
2017-09-05 02:23:47 C 20 24 58.84 +32 01 52.3 H78
2017-09-05 02:24:36 C 20 24 58.48 +32 02 05.9 H78
2017-09-05 02:25:25 C 20 24 58.10 +32 02 19.9 H78
2017-09-05 02:25:50 C 20 24 57.91 +32 02 26.6 H78
2017-09-05 02:26:38 C 20 24 57.56 +32 02 40.3 H78
2017-09-05 02:27:29 C 20 24 57.19 +32 02 54.1 H78
2017-09-05 02:27:54 C 20 24 57.00 +32 03 01.1 H78
2017-09-05 02:28:43 C 20 24 56.63 +32 03 14.8 H78
2017-09-05 02:29:32 C 20 24 56.27 +32 03 28.4 H78
2017-09-05 02:29:57 C 20 24 56.09 +32 03 35.2 H78
2017-09-05 02:30:46 C 20 24 55.73 +32 03 49.1 H78
2017-09-05 02:31:37 C 20 24 55.37 +32 04 02.9 H78
2017-09-05 02:32:01 C 20 24 55.19 +32 04 09.7 H78
2017-09-05 02:32:50 C 20 24 54.82 +32 04 23.5 H78
2017-09-05 02:33:40 C 20 24 54.44 +32 04 37.2 H78
2017-09-05 02:34:04 C 20 24 54.27 +32 04 43.9 H78
2017-09-05 02:34:54 C 20 24 53.91 +32 04 57.6 H78
2017-09-05 02:35:43 C 20 24 53.54 +32 05 11.1 H78
2017-09-05 02:36:08 C 20 24 53.37 +32 05 17.8 H78
2017-09-05 02:36:57 C 20 24 52.98 +32 05 31.9 H78
2017-09-05 02:37:38 C 20 24 58.20 +32 03 45.8 r 718
2017-09-05 02:39:47 C 20 24 57.30 +32 04 22.0 r 718
2017-09-05 02:41:25 C 20 24 51.00 +32 06 45.8 H78
2017-09-05 02:43:47 C 20 24 49.94 +32 07 25.4 H78
2017-09-05 02:44:05 C 20 24 55.46 +32 05 33.8 r 718
2017-09-05 02:45:41 C 20 24 51.91 +32 05 55.8 P V78
2017-09-05 02:45:56 C 20 24 49.00 +32 08 00.5 H78
2017-09-05 02:46:13 C 20 24 54.56 +32 06 09.8 r 718
2017-09-05 02:48:00 C 20 24 48.10 +32 08 35.1 H78
2017-09-05 02:49:26 C 20 24 50.30 +32 06 58.5 P V78
2017-09-05 02:50:03 C 20 24 47.16 +32 09 09.3 H78
2017-09-05 02:52:07 C 20 24 46.25 +32 09 43.1 H78
2017-09-05 02:53:32 C 20 24 48.56 +32 08 06.7 P V78
2017-09-05 02:54:10 C 20 24 45.34 +32 10 17.2 H78
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)