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
2017-12-27 00:06:06 C 03 31 21.88 +76 35 55.0 q W33
2017-12-27 00:38:56 C 03 31 26.63 +76 35 04.0 q W33
2017-12-29 04:56:45 C 03 39 11.01 +75 11 32.1 P V78
2017-12-29 05:02:35 C 03 39 11.51 +75 11 22.6 P V78
2017-12-29 05:08:57 C 03 39 12.50 +75 11 12.0 P V78
2017-12-29 09:07:52 C 03 39 45.86 +75 04 53.0 U T05
2017-12-29 09:33:33 C 03 39 49.14 +75 04 11.1 U T05
2017-12-29 09:34:52 C 03 39 49.29 +75 04 09.0 U T05
2017-12-29 09:48:14 C 03 39 50.97 +75 03 47.2 U T05
2017-12-31 10:16:36 C 03 46 20.52 +73 45 38.2 U T08
2017-12-31 10:32:34 C 03 46 22.40 +73 45 11.7 U T08
2017-12-31 10:50:40 C 03 46 24.55 +73 44 41.7 U T08
2017-12-31 11:08:40 C 03 46 26.73 +73 44 11.9 U T08
2017-12-31 19:38:49 C 03 47 34.84 +73 30 26.4 U K74
2017-12-31 19:39:57 C 03 47 34.97 +73 30 24.7 U K74
2017-12-31 19:41:04 C 03 47 35.11 +73 30 22.8 U K74
2017-12-31 20:14:35 C 03 47 39.00 +73 29 28.8 U K74
2017-12-31 20:16:26 C 03 47 39.25 +73 29 25.8 U K74
2018-01-01 23:21:48 C 03 50 59.48 +72 45 32.9 U Z80
2018-01-01 23:25:33 C 03 50 59.93 +72 45 26.2 U Z80
2018-01-01 23:29:18 C 03 51 00.42 +72 45 19.1 U Z80
2018-01-01 23:33:03 C 03 51 00.95 +72 45 13.8 U Z80
2018-01-01 23:36:48 C 03 51 01.30 +72 45 07.1 U Z80
2018-01-01 23:40:34 C 03 51 01.70 +72 45 00.7 U Z80
2018-01-02 04:14:46 C 03 51 36.09 +72 37 42.5 q H15
2018-01-02 04:25:39 C 03 51 37.30 +72 37 25.1 q H15
2018-01-02 04:38:08 C 03 51 38.57 +72 37 04.6 q H15
2018-01-03 03:44:24 C 03 54 23.34 +71 59 34.5 P V78
2018-01-03 04:02:16 C 03 54 25.09 +71 59 04.9 P V78
2018-01-03 04:15:16 C 03 54 26.43 +71 58 44.3 P V78
2018-01-04 09:18:00 C 03 57 45.59 +71 11 42.4 U T08
2018-01-04 09:20:38 C 03 57 45.85 +71 11 38.0 U T08
2018-01-04 09:57:21 C 03 57 49.61 +71 10 37.5 U T08
2018-01-04 19:26:15 C 03 58 55.95 +70 55 13.9 q Z36
2018-01-04 19:57:11 C 03 58 59.14 +70 54 24.4 q Z36
2018-01-04 20:29:11 C 03 59 02.42 +70 53 33.0 q Z36
2018-01-05 01:28:31 C 03 59 35.96 +70 45 24.9 P V78
2018-01-05 02:10:38 C 03 59 40.29 +70 44 18.1 P V78
2018-01-05 02:47:53 C 03 59 44.09 +70 43 17.5 P V78
2018-01-06 00:47:44 C 04 02 08.73 +70 07 39.0 P V78
2018-01-06 01:18:21 C 04 02 11.77 +70 06 50.2 P V78
2018-01-06 01:37:56 C 04 02 13.75 +70 06 19.1 P V78
2018-01-06 19:28:24 C 04 04 07.81 +69 37 27.0 15.3 q Z87
2018-01-06 19:48:17 C 04 04 09.78 +69 36 55.2 15.1 q Z87
2018-01-07 18:25:25 C 04 06 31.85 +69 00 24.8 U Z52
2018-01-07 19:40:44 C 04 06 39.20 +68 58 24.7 U Z52
2018-01-07 20:44:11 C 04 06 45.35 +68 56 42.9 U Z52
2018-01-08 03:10:39 C 04 07 24.93 +68 46 22.3 P V78
2018-01-08 03:19:16 C 04 07 25.86 +68 46 08.3 P V78
2018-01-08 03:32:23 C 04 07 27.10 +68 45 47.3 P V78
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)