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
2024-11-01 06:32:11 C 19 35 55.529 +21 19 50.09 V T08
2024-11-02 06:01:00 C 19 38 51.276 +22 12 23.18 V T08
2024-11-02 06:06:21 C 19 38 51.919 +22 12 34.85 V T08
2024-11-02 06:15:00 C 19 38 52.966 +22 12 53.96 V T08
2024-11-02 06:30:59 C 19 38 54.898 +22 13 29.10 V T08
2024-11-02 18:25:47 B 19 40 24.991 +22 39 44.75 V 160
2024-11-02 18:30:05 B 19 40 25.514 +22 39 54.36 V 160
2024-11-02 18:34:22 B 19 40 26.038 +22 40 03.76 V 160
2024-11-03 05:53:16 C 19 41 51.295 +23 05 04.09 V T05
2024-11-03 06:01:46 C 19 41 52.322 +23 05 22.45 V T05
2024-11-03 06:17:27 C 19 41 54.235 +23 05 56.51 V T05
2024-11-03 17:42:48 C 19 43 21.470 +23 30 46.69 q L05
2024-11-03 17:53:07 C 19 43 22.728 +23 31 08.94 q L05
2024-11-03 18:03:53 C 19 43 24.050 +23 31 32.16 q L05
2024-11-03 18:14:38 C 19 43 25.368 +23 31 55.45 q L05
2024-11-04 05:44:58 C 19 44 52.730 +23 57 00.18 V T05
2024-11-04 05:49:32 C 19 44 53.302 +23 57 09.90 V T05
2024-11-04 05:59:19 C 19 44 54.497 +23 57 30.78 V T05
2024-11-04 06:05:12 C 19 44 55.217 +23 57 43.42 V T05
2024-11-04 06:18:13 C 19 44 56.820 +23 58 11.24 V T05
2024-11-04 16:35:41 C 19 46 16.112 +24 20 14.33 V 089
2024-11-04 16:38:03 C 19 46 16.375 +24 20 18.72 V 089
2024-11-04 16:40:25 C 19 46 16.679 +24 20 23.90 V 089
2024-11-04 16:42:47 C 19 46 16.970 +24 20 28.61 V 089
2024-11-04 16:45:09 C 19 46 17.248 +24 20 33.44 V 089
2024-11-04 16:47:31 C 19 46 17.560 +24 20 38.92 V 089
2024-11-04 18:29:47 B 19 46 30.533 +24 24 19.12 V 160
2024-11-04 18:33:19 B 19 46 30.967 +24 24 26.75 V 160
2024-11-04 18:36:46 B 19 46 31.399 +24 24 34.06 V 160
2024-11-05 14:17:09 C 19 49 03.13 +25 06 38.1 Z C97
2024-11-05 14:21:54 C 19 49 03.71 +25 06 48.2 Z C97
2024-11-05 14:26:39 C 19 49 04.29 +25 06 58.1 Z C97
2024-11-05 19:11:14 B 19 49 40.740 +25 16 51.85 V 160
2024-11-05 19:14:46 B 19 49 41.189 +25 16 59.41 V 160
2024-11-05 19:18:08 B 19 49 41.602 +25 17 06.29 V 160
2024-11-06 19:13:41 B 19 52 47.894 +26 07 17.22 V 160
2024-11-06 19:18:00 B 19 52 48.463 +26 07 26.08 V 160
2024-11-06 19:22:15 B 19 52 48.994 +26 07 34.79 V 160
2024-11-07 06:23:36 C 19 54 15.221 +26 30 34.34 V T05
2024-11-07 06:28:09 C 19 54 15.802 +26 30 43.85 V T05
2024-11-07 06:51:42 C 19 54 18.778 +26 31 31.66 V T05
2024-11-08 05:50:45 C 19 57 20.652 +27 18 43.45 V T05
2024-11-08 05:55:18 C 19 57 21.228 +27 18 52.70 V T05
2024-11-08 06:03:09 C 19 57 22.226 +27 19 08.26 V T05
2024-11-08 06:18:10 C 19 57 24.142 +27 19 38.57 V T05
2024-11-09 17:16:15 B 20 02 04.759 +28 29 57.19 V G34
2024-11-09 17:18:46 B 20 02 05.078 +28 30 02.30 V G34
2024-11-09 17:21:17 B 20 02 05.419 +28 30 07.31 V G34
2024-11-09 17:23:48 B 20 02 05.760 +28 30 12.28 V G34
2024-11-09 17:52:56 B 20 02 09.526 +28 31 12.11 V 160
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)