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
2024-07-05 03:22:22 C 15 55 24.307 -73 38 49.63 V W68
2024-07-06 20:25:52 C 15 49 27.982 -73 12 09.07 V M22
2024-07-06 20:31:09 C 15 49 27.197 -73 12 05.29 V M22
2024-07-06 20:34:24 C 15 49 26.719 -73 12 03.06 V M22
2024-07-06 20:38:57 C 15 49 26.052 -73 11 59.82 V M22
2024-07-06 20:40:15 C 15 49 25.850 -73 11 58.96 V M22
2024-07-06 20:47:25 C 15 49 24.802 -73 11 53.84 V M22
2024-07-06 20:54:34 C 15 49 23.731 -73 11 48.91 V M22
2024-07-06 21:01:46 C 15 49 22.666 -73 11 43.91 V M22
2024-07-07 01:00:49 B 15 48 50.84 -73 09 02.8 Z X86
2024-07-07 01:10:53 B 15 48 49.29 -73 08 55.7 Z X86
2024-07-07 01:20:57 B 15 48 47.78 -73 08 48.4 Z X86
2024-07-10 23:50:26 C 15 37 49.16 -71 56 38.2 q Y16
2024-07-11 00:02:37 C 15 37 47.53 -71 56 27.2 q Y16
2024-07-11 00:15:44 C 15 37 46.32 -71 56 15.9 q Y16
2024-07-13 02:45:33 C 15 33 20.318 -71 12 32.36 V W68
2024-07-13 02:50:06 C 15 33 19.934 -71 12 28.22 V W68
2024-07-13 02:57:55 C 15 33 19.258 -71 12 20.95 V W68
2024-07-13 03:12:15 C 15 33 18.002 -71 12 07.60 V W68
2024-07-17 02:11:23 C 15 27 33.730 -69 41 33.04 V W68
2024-07-17 02:16:41 C 15 27 33.454 -69 41 27.60 V W68
2024-07-17 02:24:35 C 15 27 33.017 -69 41 19.28 V W68
2024-07-17 02:39:39 C 15 27 32.220 -69 41 03.62 V W68
2024-07-18 12:48:47 B 15 26 14.00 -69 06 01.3 q Q73
2024-07-18 12:56:45 B 15 26 13.68 -69 05 52.5 q Q73
2024-07-18 13:04:41 B 15 26 13.36 -69 05 43.9 q Q73
2024-07-18 17:56:58 B 15 26 06.554 -69 00 45.28 Z M49
2024-07-18 19:02:16 B 15 26 03.782 -68 59 36.88 Z M49
2024-07-18 19:09:15 B 15 26 03.496 -68 59 29.54 Z M49
2024-07-18 19:14:22 B 15 26 03.246 -68 59 24.11 Z M49
2024-07-18 19:19:29 B 15 26 03.078 -68 59 18.66 Z M49
2024-07-18 20:07:35 B 15 26 01.060 -68 58 27.38 Z M49
2024-07-18 21:12:08 B 15 25 58.503 -68 57 17.59 Z M49
2024-07-18 22:13:09 B 15 25 56.208 -68 56 10.77 Z M49
2024-07-18 23:14:10 B 15 25 54.089 -68 55 03.31 Z M49
2024-07-19 18:22:39 B 15 25 26.812 -68 34 52.76 Z M49
2024-07-19 19:20:29 B 15 25 24.808 -68 33 50.50 Z M49
2024-07-19 20:16:32 B 15 25 22.936 -68 32 49.25 Z M49
2024-07-19 21:16:05 B 15 25 21.032 -68 31 43.30 Z M49
2024-07-19 22:12:32 B 15 25 19.347 -68 30 40.18 Z M49
2024-07-19 23:08:26 B 15 25 17.829 -68 29 37.09 Z M49
2024-07-21 10:16:50 B 15 24 45.29 -67 51 20.1 q Q73
2024-07-21 10:32:31 B 15 24 44.94 -67 51 02.5 q Q73
2024-07-21 10:48:28 B 15 24 44.61 -67 50 44.5 q Q73
2024-07-24 23:35:11 B 15 24 47.76 -66 13 29.0 Z X86
2024-07-24 23:42:14 B 15 24 47.77 -66 13 20.4 Z X86
2024-07-24 23:48:16 B 15 24 47.79 -66 13 13.0 Z X86
2024-07-29 02:13:57 C 15 27 05.815 -64 12 20.20 V W68
2024-07-29 02:22:37 C 15 27 06.050 -64 12 08.75 V W68
2024-07-29 02:36:49 C 15 27 06.437 -64 11 50.21 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)