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
2024-11-09 17:56:24 B 20 02 09.977 +28 31 18.91 V 160
2024-11-09 17:59:48 B 20 02 10.426 +28 31 25.75 V 160
2024-11-09 19:05:50 C 20 02 19.106 +28 33 36.07 q L05
2024-11-09 19:17:06 C 20 02 20.590 +28 33 58.32 q L05
2024-11-09 19:29:47 C 20 02 22.255 +28 34 23.16 q L05
2024-11-09 19:41:04 C 20 02 23.734 +28 34 45.26 q L05
2024-11-09 19:53:03 C 20 02 25.320 +28 35 08.74 q L05
2024-11-09 20:04:19 C 20 02 26.801 +28 35 30.95 q L05
2024-11-10 17:57:02 B 20 05 24.876 +29 18 45.43 V 160
2024-11-10 18:01:21 B 20 05 25.445 +29 18 53.82 V 160
2024-11-10 18:05:35 B 20 05 26.006 +29 19 02.21 V 160
2024-11-11 05:29:31 C 20 06 59.088 +29 41 24.94 V T05
2024-11-11 05:34:44 C 20 06 59.774 +29 41 34.94 V T05
2024-11-11 05:43:15 C 20 07 00.902 +29 41 51.36 V T05
2024-11-11 05:58:15 C 20 07 02.892 +29 42 20.09 V T05
2024-11-11 19:14:08 B 20 08 52.303 +30 07 53.51 V 160
2024-11-11 19:18:27 B 20 08 52.879 +30 08 01.93 V 160
2024-11-11 19:22:41 B 20 08 53.448 +30 08 10.14 V 160
2024-11-11 20:59:21 B 20 09 06.725 +30 11 13.78 q Y84
2024-11-11 21:06:16 B 20 09 07.661 +30 11 26.92 q Y84
2024-11-11 21:13:13 B 20 09 08.609 +30 11 39.98 q Y84
2024-11-12 05:37:09 C 20 10 18.298 +30 27 58.86 V T05
2024-11-12 05:41:44 C 20 10 18.914 +30 28 07.57 V T05
2024-11-12 05:49:33 C 20 10 19.961 +30 28 22.33 V T05
2024-11-12 06:03:57 C 20 10 21.893 +30 28 49.48 V T05
2024-11-13 18:18:31 B 20 15 26.225 +31 37 15.10 V 160
2024-11-13 18:22:46 B 20 15 26.801 +31 37 22.98 V 160
2024-11-13 18:27:06 B 20 15 27.391 +31 37 31.04 V 160
2024-11-13 20:08:51 B 20 15 41.657 +31 40 38.68 q Y84
2024-11-13 21:09:19 B 20 15 50.052 +31 42 29.88 q Y84
2024-11-13 22:09:25 B 20 15 58.454 +31 44 20.18 q Y84
2024-11-14 07:21:22 C 20 17 16.404 +32 01 34.72 V T08
2024-11-14 07:22:41 C 20 17 16.591 +32 01 37.02 V T08
2024-11-14 07:26:43 C 20 17 17.153 +32 01 44.29 V T08
2024-11-14 07:28:01 C 20 17 17.340 +32 01 46.60 V T08
2024-11-14 07:34:05 C 20 17 18.190 +32 01 57.65 V T08
2024-11-14 07:38:45 C 20 17 18.842 +32 02 06.18 V T08
2024-11-14 07:49:31 C 20 17 20.345 +32 02 25.66 V T08
2024-11-14 07:53:37 C 20 17 20.926 +32 02 33.18 V T08
2024-11-14 19:19:09 B 20 18 59.196 +32 23 32.35 V 160
2024-11-14 19:24:17 B 20 18 59.904 +32 23 41.96 V 160
2024-11-15 05:57:39 C 20 20 30.617 +32 43 07.86 V T05
2024-11-15 06:03:00 C 20 20 31.366 +32 43 17.44 V T05
2024-11-15 06:14:15 C 20 20 32.945 +32 43 37.56 V T05
2024-11-15 06:35:24 C 20 20 35.882 +32 44 15.61 V T05
2024-11-15 18:18:30 B 20 22 17.854 +33 05 25.84 V 160
2024-11-15 18:24:55 B 20 22 18.775 +33 05 36.85 V 160
2024-11-16 06:09:19 C 20 24 00.761 +33 26 49.70 V T05
2024-11-16 06:17:14 C 20 24 01.882 +33 27 03.60 V T05
2024-11-16 06:21:48 C 20 24 02.525 +33 27 11.63 V T05
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)