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
2017-11-21 01:38:26 C 17 32 08.02 +83 29 53.2 P V78
2017-11-21 01:49:48 C 17 32 11.02 +83 30 01.8 P V78
2017-11-21 01:59:45 C 17 32 13.71 +83 30 09.1 P V78
2017-11-21 19:20:52 C 17 36 49.13 +83 44 02.4 q K14
2017-11-21 19:31:36 C 17 36 53.18 +83 44 11.3 q K14
2017-11-21 19:42:27 C 17 36 56.20 +83 44 19.5 q K14
2017-11-21 19:53:18 C 17 36 59.27 +83 44 27.5 q K14
2017-11-21 20:04:11 C 17 37 02.41 +83 44 35.7 q K14
2017-11-21 20:15:02 C 17 37 05.55 +83 44 43.3 q K14
2017-11-21 20:26:02 C 17 37 08.74 +83 44 51.5 q K14
2017-11-22 00:38:59 C 17 38 21.59 +83 48 23.8 P V78
2017-11-22 01:03:10 C 17 38 28.10 +83 48 42.0 P V78
2017-11-22 01:25:01 C 17 38 34.24 +83 48 58.2 P V78
2017-11-22 03:53:07 C 17 39 17.29 +83 50 49.4 q V83
2017-11-22 04:09:08 C 17 39 22.29 +83 51 01.4 q V83
2017-11-22 04:21:58 C 17 39 26.37 +83 51 11.2 q V83
2017-11-22 04:35:17 C 17 39 30.59 +83 51 21.3 q V83
2017-11-22 04:43:54 C 17 39 33.30 +83 51 28.0 q V83
2017-11-22 04:52:20 C 17 39 36.08 +83 51 34.3 q V83
2017-11-22 18:53:00 C 17 43 51.08 +84 03 08.3 q K26
2017-11-22 18:56:14 C 17 43 52.03 +84 03 10.9 q K26
2017-11-22 18:59:30 C 17 43 53.07 +84 03 13.4 q K26
2017-11-22 20:32:29 C 17 44 23.14 +84 04 24.8 q K26
2017-11-22 20:35:45 C 17 44 24.21 +84 04 27.0 q K26
2017-11-22 20:39:00 C 17 44 25.25 +84 04 29.3 q K26
2017-11-23 01:55:22 C 17 46 06.75 +84 08 52.0 P V78
2017-11-23 02:06:17 C 17 46 10.17 +84 09 00.3 P V78
2017-11-23 02:13:57 C 17 46 12.73 +84 09 06.1 P V78
2017-11-24 21:21:49 C 18 02 22.07 +84 44 30.3 U Z80
2017-11-24 21:23:34 C 18 02 22.74 +84 44 31.6 U Z80
2017-11-24 21:25:18 C 18 02 23.45 +84 44 33.0 U Z80
2017-11-24 21:27:03 C 18 02 24.46 +84 44 34.3 U Z80
2017-11-24 21:28:47 C 18 02 25.16 +84 44 35.6 U Z80
2017-11-24 21:30:32 C 18 02 25.80 +84 44 37.1 U Z80
2017-11-24 21:32:16 C 18 02 26.57 +84 44 38.7 U Z80
2017-11-24 21:34:01 C 18 02 27.33 +84 44 39.7 U Z80
2017-11-24 21:35:46 C 18 02 28.27 +84 44 41.0 U Z80
2017-11-27 23:33:01 C 18 42 29.22 +85 44 47.3 m W78
2017-11-27 23:34:04 C 18 42 29.57 +85 44 46.3 m W78
2017-11-27 23:35:06 C 18 42 29.98 +85 44 49.3 m W78
2017-11-27 23:36:08 C 18 42 31.22 +85 44 48.4 m W78
2017-11-27 23:38:12 C 18 42 32.86 +85 44 49.4 m W78
2017-11-27 23:40:17 C 18 42 33.88 +85 44 51.6 m W78
2017-11-27 23:48:33 C 18 42 39.52 +85 44 58.6 m W78
2017-11-27 23:49:36 C 18 42 40.46 +85 44 59.7 m W78
2017-11-27 23:51:39 C 18 42 41.48 +85 44 59.1 m W78
2017-11-27 23:53:31 C 18 42 42.85 +85 45 02.2 m W78
2017-11-27 23:54:33 C 18 42 43.58 +85 45 04.3 m W78
2017-11-27 23:55:34 C 18 42 44.29 +85 45 03.9 m W78
2017-11-27 23:56:36 C 18 42 45.11 +85 45 02.8 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)