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
2023-02-26 12:11:07 C 09 55 19.855 +16 54 38.05 V T05
2023-02-28 22:30:32 C 09 51 17.155 +16 49 22.40 V M22
2023-02-28 22:35:08 C 09 51 16.838 +16 49 21.90 V M22
2023-02-28 23:26:58 C 09 51 13.234 +16 49 16.61 V M22
2023-02-28 23:35:24 C 09 51 12.646 +16 49 15.67 V M22
2023-03-01 04:58:26 C 09 50 51.086 +16 48 36.61 V G96
2023-03-01 05:12:09 C 09 50 50.140 +16 48 35.32 V G96
2023-03-01 05:22:47 C 09 50 49.405 +16 48 34.24 V G96
2023-03-01 05:30:56 C 09 50 48.847 +16 48 33.34 V 703
2023-03-01 05:33:38 C 09 50 48.649 +16 48 33.19 V G96
2023-03-01 05:38:29 C 09 50 48.322 +16 48 32.51 V 703
2023-03-01 05:46:01 C 09 50 47.792 +16 48 31.93 V 703
2023-03-01 05:53:33 C 09 50 47.267 +16 48 31.18 V 703
2023-03-01 20:20:02 C 09 49 49.16 +16 47 08.8 Z M49
2023-03-01 21:07:40 C 09 49 45.89 +16 47 04.0 Z M49
2023-03-01 21:37:40 C 09 49 43.88 +16 46 53.3 q K26
2023-03-01 21:39:49 C 09 49 43.73 +16 46 53.2 q K26
2023-03-01 21:44:09 C 09 49 43.44 +16 46 52.6 q K26
2023-03-01 21:51:36 C 09 49 42.87 +16 46 59.5 Z M49
2023-03-02 04:09:19 C 09 49 17.681 +16 46 20.60 V W68
2023-03-02 05:00:27 C 09 49 14.196 +16 46 15.42 V W68
2023-03-02 05:41:23 C 09 49 11.410 +16 46 10.63 V W68
2023-03-02 05:52:09 C 09 49 10.675 +16 46 09.66 V W68
2023-03-02 20:28:51 B 09 48 13.31 +16 44 27.2 X K19
2023-03-02 20:34:03 B 09 48 12.95 +16 44 26.8 X K19
2023-03-02 20:39:15 B 09 48 12.58 +16 44 26.0 X K19
2023-03-02 20:49:38 C 09 48 11.91 +16 44 24.9 q K26
2023-03-02 20:51:49 C 09 48 11.73 +16 44 24.7 q K26
2023-03-02 20:53:58 C 09 48 11.61 +16 44 24.4 q K26
2023-03-02 21:54:37 C 09 48 07.450 +16 44 18.89 X K87
2023-03-02 21:58:50 C 09 48 07.260 +16 44 17.66 X K87
2023-03-02 22:03:02 C 09 48 06.809 +16 44 16.30 X K87
2023-03-03 20:24:01 B 09 46 40.219 +16 41 46.08 X B72
2023-03-03 20:28:07 B 09 46 39.967 +16 41 45.56 X B72
2023-03-03 20:32:44 B 09 46 39.654 +16 41 44.97 X B72
2023-03-03 21:06:51 C 09 46 37.42 +16 41 49.2 Z M49
2023-03-03 21:48:09 C 09 46 34.71 +16 41 44.6 Z M49
2023-03-03 22:29:26 C 09 46 31.99 +16 41 39.9 Z M49
2023-03-08 23:38:37 C 09 39 13.526 +16 26 10.82 V M22
2023-03-08 23:43:09 C 09 39 13.282 +16 26 09.28 V M22
2023-03-08 23:55:13 C 09 39 12.586 +16 26 07.87 V M22
2023-03-09 00:11:37 C 09 39 11.630 +16 26 05.71 V M22
2023-03-09 22:28:45 C 09 37 57.403 +16 22 54.73 V M22
2023-03-09 22:57:16 C 09 37 55.783 +16 22 50.77 V M22
2023-03-09 23:01:49 C 09 37 55.519 +16 22 49.69 V M22
2023-03-10 04:19:25 C 09 37 38.237 +16 22 03.68 V W68
2023-03-10 04:23:15 C 09 37 38.021 +16 22 02.96 V W68
2023-03-10 04:30:10 C 09 37 37.634 +16 22 02.17 V W68
2023-03-11 03:55:29 C 09 36 22.274 +16 18 33.84 V W68
2023-03-11 04:21:38 C 09 36 20.839 +16 18 30.20 V W68
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)