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
2017-09-28 03:05:48 C 17 45 58.59 +72 34 59.2 q L03
2017-09-28 03:09:31 C 17 45 54.65 +72 35 45.8 P V78
2017-09-28 03:19:16 C 17 45 52.81 +72 35 52.6 P V78
2017-09-28 21:03:25 C 17 42 47.68 +72 49 23.3 q L03
2017-09-28 22:33:13 C 17 42 32.13 +72 50 19.8 q L03
2017-09-29 02:06:32 C 17 41 58.15 +72 53 22.0 P V78
2017-09-29 02:12:46 C 17 41 56.94 +72 53 26.1 P V78
2017-09-29 02:19:27 C 17 41 55.68 +72 53 30.5 P V78
2017-09-29 18:41:38 C 17 39 13.58 +73 05 20.9 q 006
2017-09-29 18:51:39 C 17 39 11.75 +73 05 27.4 q 006
2017-09-29 19:01:38 C 17 39 09.75 +73 05 33.4 q 006
2017-09-29 19:11:39 C 17 39 07.96 +73 05 40.0 q 006
2017-09-29 19:21:25 C 17 39 06.02 +73 05 46.0 q 006
2017-09-30 01:17:49 C 17 38 09.07 +73 09 51.5 P V78
2017-09-30 01:31:42 C 17 38 06.45 +73 10 00.0 P V78
2017-09-30 01:46:05 C 17 38 03.81 +73 10 09.0 P V78
2017-09-30 01:58:36 C 17 38 01.52 +73 10 16.7 P V78
2017-09-30 02:12:08 C 17 37 59.00 +73 10 24.9 P V78
2017-09-30 02:24:57 C 17 37 56.70 +73 10 32.4 P V78
2017-09-30 03:25:13 C 17 37 45.13 +73 11 04.5 q W19
2017-09-30 03:28:22 C 17 37 44.56 +73 11 06.3 q W19
2017-09-30 03:31:23 C 17 37 44.06 +73 11 07.9 q W19
2017-09-30 03:34:22 C 17 37 43.55 +73 11 09.7 q W19
2017-09-30 03:37:25 C 17 37 43.04 +73 11 11.5 q W19
2017-09-30 07:26:50 C 17 37 05.17 +73 14 00.0 L T08
2017-09-30 07:37:35 C 17 37 03.26 +73 14 05.6 L T08
2017-09-30 07:48:19 C 17 37 01.41 +73 14 11.3 L T08
2017-09-30 08:01:14 C 17 36 59.08 +73 14 18.2 L T08
2017-10-01 00:06:02 C 17 34 32.07 +73 25 02.5 q W33
2017-10-01 00:30:35 C 17 34 27.64 +73 25 16.6 q W33
2017-10-01 00:56:00 C 17 34 23.06 +73 25 30.8 q W33
2017-10-02 01:27:32 C 17 30 41.32 +73 40 33.4 P V78
2017-10-02 01:36:25 C 17 30 39.87 +73 40 37.8 P V78
2017-10-02 01:47:13 C 17 30 37.97 +73 40 43.3 P V78
2017-10-02 07:17:36 C 17 29 46.06 +73 43 58.8 L T05
2017-10-02 07:30:22 C 17 29 43.97 +73 44 04.6 L T05
2017-10-02 07:42:38 C 17 29 42.00 +73 44 10.1 L T05
2017-10-02 07:59:47 C 17 29 39.30 +73 44 17.7 L T05
2017-10-03 02:14:20 C 17 27 05.53 +73 54 45.1 P V78
2017-10-03 02:43:50 C 17 27 00.93 +73 54 58.5 P V78
2017-10-03 03:09:27 C 17 26 56.88 +73 55 10.7 P V78
2017-10-04 01:16:45 C 17 23 55.84 +74 07 16.5 P V78
2017-10-04 01:25:58 C 17 23 54.39 +74 07 20.8 P V78
2017-10-04 01:37:56 C 17 23 52.50 +74 07 26.0 P V78
2017-10-04 01:48:14 C 17 23 49.17 +74 07 23.8 m W78
2017-10-04 02:13:18 C 17 23 45.57 +74 07 32.9 m W78
2017-10-04 02:44:20 C 17 23 41.17 +74 07 46.5 m W78
2017-10-05 01:09:02 C 17 20 47.01 +74 19 27.6 P V78
2017-10-05 01:37:50 C 17 20 42.73 +74 19 40.1 P V78
2017-10-05 02:00:42 C 17 20 39.41 +74 19 50.0 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)