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
2023-02-19 21:29:40 C 10 07 02.705 +17 05 11.76 Z L68
2023-02-19 21:48:54 C 10 07 01.27 +17 05 10.0 Z M49
2023-02-19 21:52:37 C 10 07 00.919 +17 05 10.54 Z L68
2023-02-19 22:42:44 C 10 06 57.07 +17 05 07.2 Z M49
2023-02-20 13:32:33 C 10 05 49.70 +17 04 16.6 V D29
2023-02-20 13:36:22 C 10 05 49.41 +17 04 16.5 V D29
2023-02-20 13:52:54 C 10 05 48.13 +17 04 15.8 V D29
2023-02-20 13:56:43 C 10 05 47.83 +17 04 15.6 V D29
2023-02-20 14:13:16 C 10 05 46.56 +17 04 14.8 V D29
2023-02-20 14:17:05 C 10 05 46.26 +17 04 14.6 V D29
2023-02-21 13:04:56 C 10 04 03.11 +17 03 00.7 V D29
2023-02-21 13:06:12 C 10 04 03.01 +17 03 00.7 V D29
2023-02-21 13:25:17 C 10 04 01.55 +17 02 59.8 V D29
2023-02-21 13:26:34 C 10 04 01.44 +17 02 59.7 V D29
2023-02-21 13:45:39 C 10 03 59.98 +17 02 57.7 V D29
2023-02-21 13:46:56 C 10 03 59.87 +17 02 57.7 V D29
2023-02-21 18:45:21 C 10 03 37.59 +17 02 39.7 Z C95
2023-02-21 19:59:06 C 10 03 32.01 +17 02 35.9 Z C95
2023-02-21 21:13:22 C 10 03 26.36 +17 02 31.9 Z C95
2023-02-21 23:21:32 C 10 03 16.469 +17 02 33.07 V M22
2023-02-21 23:29:23 C 10 03 15.874 +17 02 32.64 V M22
2023-02-21 23:53:28 C 10 03 14.021 +17 02 31.16 V M22
2023-02-21 23:58:01 C 10 03 13.678 +17 02 30.70 V M22
2023-02-22 03:03:46 C 10 03 00.091 +17 02 19.64 V W68
2023-02-22 03:23:26 C 10 02 58.591 +17 02 18.74 V W68
2023-02-22 03:28:00 C 10 02 58.243 +17 02 18.38 V W68
2023-02-22 03:49:59 C 10 02 56.556 +17 02 16.91 V W68
2023-02-22 15:52:12 C 10 02 02.63 +17 01 25.6 V D29
2023-02-22 16:12:34 C 10 02 01.08 +17 01 24.3 V D29
2023-02-22 16:32:55 C 10 01 59.53 +17 01 23.0 V D29
2023-02-22 21:58:29 C 10 01 35.56 +17 01 01.0 Z C95
2023-02-22 22:59:07 C 10 01 30.98 +17 00 57.1 Z C95
2023-02-22 23:59:13 C 10 01 26.42 +17 00 53.3 Z C95
2023-02-23 23:08:50 C 09 59 44.089 +16 59 20.11 V L92
2023-02-23 23:20:37 C 09 59 42.942 +16 59 18.52 V L92
2023-02-23 23:31:20 C 09 59 42.276 +16 59 18.23 V L92
2023-02-25 03:59:27 B 09 57 38.27 +16 57 11.1 V H89
2023-02-25 05:16:19 B 09 57 32.58 +16 57 05.9 V H89
2023-02-25 06:32:35 B 09 57 26.99 +16 56 59.6 V H89
2023-02-26 03:40:35 C 09 55 56.400 +16 55 26.40 V W68
2023-02-26 03:43:11 C 09 55 56.218 +16 55 26.18 V W68
2023-02-26 03:47:44 C 09 55 55.891 +16 55 25.79 V W68
2023-02-26 04:26:29 C 09 55 53.064 +16 55 22.76 V W68
2023-02-26 10:22:10 C 09 55 27.758 +16 54 47.34 V T05
2023-02-26 10:26:43 C 09 55 27.418 +16 54 46.98 V T05
2023-02-26 11:10:48 C 09 55 24.235 +16 54 43.20 V T05
2023-02-26 11:28:02 C 09 55 22.973 +16 54 41.51 V T05
2023-02-26 11:34:54 C 09 55 22.486 +16 54 41.08 V T05
2023-02-26 11:35:33 C 09 55 22.447 +16 54 40.82 V T05
2023-02-26 11:40:06 C 09 55 22.111 +16 54 40.79 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)