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
2022-11-05 10:43:57 C 10 37 36.678 +23 25 17.15 V V00
2022-11-05 10:58:15 C 10 37 37.535 +23 25 11.21 V V00
2022-11-05 11:05:24 C 10 37 37.967 +23 25 08.22 V V00
2022-11-12 13:28:08 C 10 47 19.733 +22 15 14.40 V T08
2022-11-12 13:42:12 C 10 47 20.470 +22 15 08.75 V T08
2022-11-12 13:46:52 C 10 47 20.710 +22 15 07.06 V T08
2022-11-12 14:10:17 C 10 47 21.941 +22 14 57.98 V T08
2022-11-14 14:05:30 C 10 49 52.061 +21 56 16.26 V T05
2022-11-14 14:10:03 C 10 49 52.270 +21 56 14.60 V T05
2022-11-14 14:21:09 C 10 49 52.860 +21 56 10.25 V T05
2022-11-14 14:41:28 C 10 49 53.834 +21 56 02.69 V T05
2022-11-21 11:10:53 C 10 57 42.102 +20 55 27.41 V 703
2022-11-21 11:18:32 C 10 57 42.422 +20 55 24.89 V 703
2022-11-21 11:30:47 C 10 57 42.966 +20 55 20.50 V 703
2022-11-21 11:38:25 C 10 57 43.315 +20 55 17.47 V 703
2022-11-21 15:05:53 C 10 57 52.339 +20 54 06.34 V T08
2022-11-21 15:20:51 C 10 57 52.997 +20 54 01.30 V T08
2022-11-21 15:29:18 C 10 57 53.335 +20 53 58.27 V T08
2022-11-24 10:53:15 C 11 00 42.754 +20 30 54.61 V 703
2022-11-24 11:00:50 C 11 00 43.060 +20 30 52.42 V 703
2022-11-24 11:08:26 C 11 00 43.387 +20 30 49.36 V 703
2022-11-24 15:09:34 C 11 00 53.002 +20 29 30.55 V T08
2022-11-24 15:16:50 C 11 00 53.273 +20 29 28.25 V T08
2022-11-24 15:20:49 C 11 00 53.424 +20 29 27.17 V T08
2022-11-24 15:30:32 C 11 00 53.818 +20 29 23.60 V T08
2022-11-25 14:04:28 C 11 01 47.390 +20 21 56.34 V T08
2022-11-25 14:18:00 C 11 01 47.866 +20 21 52.09 V T08
2022-11-25 14:34:39 C 11 01 48.494 +20 21 46.55 V T08
2022-11-26 15:27:29 C 11 02 45.574 +20 13 42.78 V T05
2022-11-26 15:30:05 C 11 02 45.667 +20 13 41.74 V T05
2022-11-26 15:38:45 C 11 02 45.991 +20 13 39.07 V T05
2022-11-27 10:22:32 C 11 03 27.893 +20 07 39.07 V 703
2022-11-27 10:30:10 C 11 03 28.166 +20 07 37.06 V 703
2022-11-27 10:37:47 C 11 03 28.476 +20 07 34.14 V 703
2022-11-27 10:45:24 C 11 03 28.724 +20 07 32.12 V 703
2022-11-30 10:44:04 C 11 05 59.348 +19 45 22.14 V 703
2022-11-30 10:51:38 C 11 05 59.579 +19 45 20.30 V 703
2022-11-30 10:59:12 C 11 05 59.838 +19 45 18.11 V 703
2022-11-30 11:06:46 C 11 06 00.065 +19 45 15.66 V 703
2022-12-02 10:57:07 S 11 07 30.931 +19 31 18.88 L C51
2022-12-02 20:20:03 S 11 07 47.902 +19 28 36.77 L C51
2023-01-09 00:18:30 C 11 09 33.929 +17 05 04.02 V M22
2023-01-09 00:23:08 C 11 09 33.816 +17 05 03.77 V M22
2023-01-09 00:27:41 C 11 09 33.662 +17 05 03.66 V M22
2023-01-09 00:47:36 C 11 09 33.029 +17 05 02.72 V M22
2023-01-13 12:37:02 C 11 05 48.619 +17 01 59.45 V T05
2023-01-13 12:44:12 C 11 05 48.338 +17 01 59.12 V T05
2023-01-13 14:29:51 C 11 05 43.997 +17 01 57.72 V T05
2023-01-13 15:22:09 C 11 05 41.815 +17 01 56.89 V T05
2023-01-14 10:09:42 C 11 04 57.079 +17 01 40.12 V 703
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)