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
2018-01-08 10:43:45 C 04 08 09.47 +68 34 13.9 U T08
2018-01-08 11:02:52 C 04 08 11.32 +68 33 42.6 U T08
2018-01-08 11:29:16 C 04 08 13.88 +68 32 58.8 U T08
2018-01-08 11:37:01 C 04 08 14.64 +68 32 46.0 U T08
2018-01-10 06:07:56 C 04 12 30.59 +67 24 38.2 P V78
2018-01-10 06:15:39 C 04 12 31.22 +67 24 25.6 P V78
2018-01-10 06:26:24 C 04 12 32.31 +67 24 07.9 P V78
2018-01-10 09:38:01 C 04 12 51.09 +67 19 08.1 U T05
2018-01-10 09:39:21 C 04 12 51.19 +67 19 05.9 U T05
2018-01-10 09:52:42 C 04 12 52.42 +67 18 44.1 U T05
2018-01-10 10:17:30 C 04 12 54.66 +67 18 03.9 U T05
2018-01-12 04:56:21 C 04 17 02.45 +66 10 17.7 P V78
2018-01-12 05:15:49 C 04 17 04.16 +66 09 46.5 P V78
2018-01-12 05:28:01 C 04 17 05.26 +66 09 27.0 P V78
2018-01-12 10:24:52 C 04 17 32.88 +66 01 40.6 U T08
2018-01-12 10:42:57 C 04 17 34.48 +66 01 11.3 U T08
2018-01-12 11:09:59 C 04 17 36.84 +66 00 27.5 U T08
2018-01-12 11:13:56 C 04 17 37.24 +66 00 21.1 U T08
2018-01-13 04:06:42 C 04 19 14.09 +65 33 46.4 P V78
2018-01-13 04:15:34 C 04 19 14.88 +65 33 32.3 P V78
2018-01-13 04:26:07 C 04 19 15.80 +65 33 15.5 P V78
2018-01-14 04:50:00 C 04 21 32.28 +64 55 05.0 U 703
2018-01-14 04:58:46 C 04 21 33.02 +64 54 51.3 U 703
2018-01-14 05:04:05 C 04 21 33.19 +64 54 39.7 P V78
2018-01-14 05:07:28 C 04 21 33.76 +64 54 37.5 U 703
2018-01-14 05:16:05 C 04 21 34.51 +64 54 24.0 U 703
2018-01-14 05:19:50 C 04 21 34.53 +64 54 15.1 P V78
2018-01-14 05:34:39 C 04 21 35.95 +64 53 51.5 P V78
2018-01-14 09:44:47 C 04 21 58.68 +64 47 25.0 U T05
2018-01-14 10:11:03 C 04 22 00.91 +64 46 43.4 U T05
2018-01-14 10:12:22 C 04 22 01.01 +64 46 41.4 U T05
2018-01-14 10:35:54 C 04 22 03.07 +64 46 03.7 U T05
2018-01-14 19:39:50 C 04 22 54.74 +64 31 54.8 q C23
2018-01-14 19:45:13 C 04 22 55.22 +64 31 46.8 q C23
2018-01-14 19:49:32 C 04 22 55.59 +64 31 40.0 q C23
2018-01-16 08:55:58 C 04 26 16.99 +63 34 23.0 U T08
2018-01-16 09:08:40 C 04 26 18.05 +63 34 03.2 U T08
2018-01-16 09:34:10 C 04 26 20.19 +63 33 23.3 U T08
2018-01-16 09:36:48 C 04 26 20.41 +63 33 19.2 U T08
2018-01-16 23:07:56 C 04 27 33.32 +63 12 33.3 d Z35
2018-01-16 23:23:32 C 04 27 34.82 +63 12 10.1 d Z35
2018-01-16 23:39:14 C 04 27 36.04 +63 11 45.7 d Z35
2018-01-17 01:15:52 C 04 27 46.21 +63 09 17.3 P V78
2018-01-17 01:19:45 C 04 27 46.61 +63 09 11.2 P V78
2018-01-17 01:23:38 C 04 27 47.00 +63 09 04.7 P V78
2018-01-17 03:32:11 C 04 27 58.15 +63 05 51.9 U 703
2018-01-17 03:40:33 C 04 27 58.85 +63 05 39.1 U 703
2018-01-17 03:49:05 C 04 27 59.61 +63 05 26.4 U 703
2018-01-17 03:57:50 C 04 28 00.30 +63 05 12.7 U 703
2018-01-17 23:07:54 C 04 29 41.71 +62 36 00.8 d Z35
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)