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
2017-11-29 23:22:37 C 19 21 26.87 +86 19 55.7 U Z80
2017-11-29 23:24:29 C 19 21 29.29 +86 19 56.8 U Z80
2017-11-29 23:26:22 C 19 21 30.86 +86 19 58.2 U Z80
2017-11-29 23:28:14 C 19 21 32.91 +86 19 59.3 U Z80
2017-11-29 23:30:06 C 19 21 35.20 +86 20 00.5 U Z80
2017-11-29 23:31:59 C 19 21 36.58 +86 20 01.3 U Z80
2017-11-30 22:08:31 C 19 44 58.52 +86 34 42.8 q Z38
2017-11-30 23:30:08 C 19 46 31.98 +86 35 27.8 q Z38
2017-12-01 00:05:28 C 19 47 17.11 +86 36 04.8 P V78
2017-12-01 00:13:50 C 19 47 25.89 +86 36 09.7 P V78
2017-12-01 00:23:47 C 19 47 36.69 +86 36 15.0 P V78
2017-12-02 04:15:21 C 20 22 09.08 +86 50 46.4 m W78
2017-12-02 04:16:22 C 20 22 10.39 +86 50 46.8 m W78
2017-12-02 04:17:24 C 20 22 12.27 +86 50 47.3 m W78
2017-12-02 04:18:27 C 20 22 13.33 +86 50 47.6 m W78
2017-12-02 04:19:30 C 20 22 15.10 +86 50 48.1 m W78
2017-12-02 04:20:32 C 20 22 16.53 +86 50 48.5 m W78
2017-12-02 04:21:33 C 20 22 17.96 +86 50 48.9 m W78
2017-12-02 04:22:35 C 20 22 19.34 +86 50 49.2 m W78
2017-12-02 04:23:38 C 20 22 20.67 +86 50 49.8 m W78
2017-12-02 04:24:40 C 20 22 22.45 +86 50 50.3 m W78
2017-12-02 04:25:41 C 20 22 23.23 +86 50 50.5 m W78
2017-12-02 04:26:43 C 20 22 24.72 +86 50 51.0 m W78
2017-12-02 04:27:46 C 20 22 26.32 +86 50 51.5 m W78
2017-12-02 04:28:49 C 20 22 28.12 +86 50 51.8 m W78
2017-12-02 04:29:51 C 20 22 29.51 +86 50 52.4 m W78
2017-12-02 04:30:52 C 20 22 31.00 +86 50 52.7 m W78
2017-12-02 04:31:54 C 20 22 32.16 +86 50 53.1 m W78
2017-12-02 04:35:24 C 20 22 36.74 +86 50 54.6 m W78
2017-12-02 04:36:58 C 20 22 39.03 +86 50 55.3 m W78
2017-12-02 04:38:29 C 20 22 41.14 +86 50 55.8 m W78
2017-12-02 04:40:02 C 20 22 43.73 +86 50 56.5 m W78
2017-12-02 04:41:33 C 20 22 45.62 +86 50 57.1 m W78
2017-12-02 04:43:06 C 20 22 47.80 +86 50 57.7 m W78
2017-12-02 04:44:37 C 20 22 50.01 +86 50 58.3 m W78
2017-12-02 04:46:11 C 20 22 52.01 +86 50 59.0 m W78
2017-12-02 04:47:42 C 20 22 54.06 +86 50 59.6 m W78
2017-12-02 04:49:15 C 20 22 56.46 +86 51 00.3 m W78
2017-12-02 04:50:46 C 20 22 58.64 +86 51 00.9 m W78
2017-12-02 04:52:19 C 20 23 00.34 +86 51 01.5 m W78
2017-12-02 04:53:50 C 20 23 02.94 +86 51 02.2 m W78
2017-12-02 04:55:24 C 20 23 05.01 +86 51 02.7 m W78
2017-12-02 04:56:55 C 20 23 07.29 +86 51 03.4 m W78
2017-12-02 04:58:28 C 20 23 09.46 +86 51 03.9 m W78
2017-12-02 04:59:59 C 20 23 11.29 +86 51 04.6 m W78
2017-12-02 05:01:32 C 20 23 13.33 +86 51 05.2 m W78
2017-12-02 05:03:03 C 20 23 15.69 +86 51 05.8 m W78
2017-12-02 05:04:36 C 20 23 17.84 +86 51 06.5 m W78
2017-12-02 05:06:07 C 20 23 19.88 +86 51 07.2 m W78
2017-12-02 05:07:40 C 20 23 22.41 +86 51 07.8 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)