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
2023-01-14 10:17:22 C 11 04 56.723 +17 01 40.22 V 703
2023-01-14 10:25:02 C 11 04 56.413 +17 01 40.04 V 703
2023-01-14 10:32:43 C 11 04 56.075 +17 01 40.08 V 703
2023-01-14 11:58:25 C 11 04 52.754 +17 01 39.58 V T05
2023-01-14 12:09:15 C 11 04 52.294 +17 01 39.61 V T05
2023-01-14 12:28:45 C 11 04 51.458 +17 01 39.47 V T05
2023-01-14 12:33:18 C 11 04 51.278 +17 01 39.68 V T05
2023-01-14 12:41:07 C 11 04 50.933 +17 01 39.50 V T05
2023-01-14 13:04:06 C 11 04 49.958 +17 01 39.25 V T05
2023-01-21 04:26:26 C 10 57 19.126 +17 01 55.60 V L43
2023-01-21 04:43:11 C 10 57 18.218 +17 01 55.63 V L43
2023-01-21 04:58:33 C 10 57 17.378 +17 01 56.10 V L43
2023-01-21 08:30:47 C 10 57 06.426 +17 01 59.92 V 703
2023-01-21 08:38:23 C 10 57 05.994 +17 02 00.02 V 703
2023-01-21 08:45:59 C 10 57 05.594 +17 02 00.17 V 703
2023-01-21 08:53:36 C 10 57 05.166 +17 02 00.06 V 703
2023-01-21 10:29:48 C 10 57 00.174 +17 02 02.58 U F52
2023-01-21 10:46:10 C 10 56 59.274 +17 02 02.89 U F52
2023-01-21 11:02:32 C 10 56 58.369 +17 02 03.20 U F52
2023-01-21 11:18:56 C 10 56 57.459 +17 02 03.50 U F52
2023-01-22 01:20:09 C 10 56 11.774 +17 02 13.63 V L43
2023-01-22 01:57:36 C 10 56 09.686 +17 02 14.28 V L43
2023-01-22 02:34:41 C 10 56 07.577 +17 02 14.89 V L43
2023-01-22 11:59:14 C 10 55 36.598 +17 02 26.56 V T05
2023-01-22 12:01:50 C 10 55 36.444 +17 02 26.52 V T05
2023-01-22 12:07:02 C 10 55 36.144 +17 02 26.66 V T05
2023-01-22 12:15:10 C 10 55 35.678 +17 02 26.70 V T05
2023-01-24 01:21:40 C 10 53 29.13 +17 03 04.2 V M34
2023-01-24 01:45:46 C 10 53 27.70 +17 03 04.7 V M34
2023-01-24 02:17:01 C 10 53 25.83 +17 03 05.4 V M34
2023-01-25 00:07:16 C 10 52 08.86 +17 03 32.1 V M34
2023-01-25 00:48:05 C 10 52 06.35 +17 03 33.1 V M34
2023-01-25 01:32:24 C 10 52 03.66 +17 03 34.0 V M34
2023-01-25 11:21:15 C 10 51 28.498 +17 03 49.97 V T05
2023-01-25 11:23:51 C 10 51 28.332 +17 03 50.04 V T05
2023-01-25 12:32:24 C 10 51 24.058 +17 03 51.73 V T05
2023-01-25 13:23:10 C 10 51 20.882 +17 03 52.78 V T05
2023-01-26 08:08:27 C 10 50 12.354 +17 04 16.39 V 703
2023-01-26 08:16:00 C 10 50 11.861 +17 04 16.64 V 703
2023-01-26 08:23:33 C 10 50 11.375 +17 04 16.90 V 703
2023-01-26 08:31:06 C 10 50 10.914 +17 04 17.00 V 703
2023-01-26 13:39:23 C 10 49 51.607 +17 04 25.54 V T05
2023-01-26 13:52:05 C 10 49 50.789 +17 04 25.79 V T05
2023-01-26 14:12:54 C 10 49 49.457 +17 04 26.36 V T05
2023-01-26 17:17:01 C 10 49 38.32 +17 04 28.9 V D29
2023-01-26 17:37:23 C 10 49 36.99 +17 04 29.5 V D29
2023-01-26 17:57:45 C 10 49 35.68 +17 04 30.0 V D29
2023-01-27 18:40:21 C 10 48 02.05 +17 05 04.9 V D29
2023-01-27 19:04:32 C 10 48 00.46 +17 05 05.4 V D29
2023-01-27 19:28:43 C 10 47 58.87 +17 05 05.9 V D29
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)