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
2023-03-11 04:36:02 C 09 36 20.047 +16 18 27.58 V W68
2023-03-11 04:53:07 C 09 36 19.126 +16 18 25.24 V W68
2023-03-11 08:37:04 C 09 36 07.164 +16 17 45.53 V 703
2023-03-11 08:44:37 C 09 36 06.811 +16 17 44.81 V 703
2023-03-11 08:52:10 C 09 36 06.376 +16 17 42.47 V 703
2023-03-11 08:59:44 C 09 36 06.023 +16 17 41.53 V 703
2023-03-11 22:20:12 C 09 35 24.57 +16 15 38.3 V 130
2023-03-11 22:21:51 C 09 35 24.50 +16 15 38.5 V 130
2023-03-11 22:24:03 C 09 35 24.34 +16 15 37.4 V 130
2023-03-11 22:25:41 C 09 35 24.27 +16 15 37.7 V 130
2023-03-12 04:07:41 C 09 35 06.72 +16 14 44.9 q X04
2023-03-12 04:27:46 C 09 35 05.60 +16 14 41.8 q X04
2023-03-12 04:47:23 C 09 35 04.61 +16 14 38.4 q X04
2023-03-12 05:07:26 C 09 35 03.55 +16 14 35.5 q X04
2023-03-12 21:23:13 C 09 34 14.333 +16 12 11.02 V M22
2023-03-12 21:27:46 C 09 34 14.102 +16 12 10.22 V M22
2023-03-12 21:37:31 C 09 34 13.594 +16 12 08.89 V M22
2023-03-12 21:53:48 C 09 34 12.758 +16 12 06.16 V M22
2023-03-13 21:15:20 C 09 33 03.962 +16 08 22.27 V M22
2023-03-13 21:19:53 C 09 33 03.725 +16 08 21.44 V M22
2023-03-13 21:29:01 C 09 33 03.281 +16 08 20.22 V M22
2023-03-13 21:46:34 C 09 33 02.417 +16 08 17.56 V M22
2023-03-14 02:51:14 C 09 32 47.849 +16 07 27.66 V W68
2023-03-14 02:55:39 C 09 32 47.638 +16 07 27.16 V W68
2023-03-14 03:03:28 C 09 32 47.251 +16 07 25.79 V W68
2023-03-14 03:18:42 C 09 32 46.498 +16 07 23.27 V W68
2023-03-14 10:13:45 C 09 32 26.580 +16 06 10.15 V T05
2023-03-14 10:18:59 C 09 32 26.340 +16 06 09.36 V T05
2023-03-14 10:26:48 C 09 32 25.944 +16 06 08.10 V T05
2023-03-14 10:43:16 C 09 32 25.142 +16 06 05.29 V T05
2023-03-15 02:56:33 C 09 31 39.821 +16 03 29.63 V W68
2023-03-15 03:01:05 C 09 31 39.624 +16 03 28.94 V W68
2023-03-15 03:08:52 C 09 31 39.194 +16 03 27.72 V W68
2023-03-15 03:23:49 C 09 31 38.510 +16 03 24.95 V W68
2023-03-15 09:11:06 C 09 31 22.555 +16 02 22.16 V T05
2023-03-15 09:15:14 C 09 31 22.356 +16 02 21.37 V T05
2023-03-15 09:23:12 C 09 31 21.984 +16 02 20.00 V T05
2023-03-15 09:39:45 C 09 31 21.199 +16 02 17.27 V T05
2023-03-15 19:56:56 C 09 30 53.45 +16 00 30.7 V M26
2023-03-15 20:02:23 C 09 30 53.19 +16 00 30.0 V M26
2023-03-15 20:07:49 C 09 30 52.97 +16 00 29.0 V M26
2023-03-16 20:26:19 C 09 29 48.62 +15 56 19.0 X G02
2023-03-16 20:32:22 C 09 29 48.35 +15 56 17.8 X G02
2023-03-16 20:37:54 C 09 29 48.11 +15 56 16.7 X G02
2023-03-16 23:05:08 C 09 29 41.527 +15 55 58.69 V M22
2023-03-16 23:17:11 C 09 29 40.963 +15 55 56.78 V M22
2023-03-16 23:25:08 C 09 29 40.627 +15 55 55.45 V M22
2023-03-16 23:29:11 C 09 29 40.462 +15 55 54.70 V M22
2023-03-17 07:10:54 C 09 29 20.92 +15 54 26.4 V U55
2023-03-17 07:30:42 C 09 29 20.06 +15 54 23.1 V U55
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)