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
2024-12-28 19:56:55 C 23 48 39.751 +52 05 21.01 Z C23
2024-12-29 06:25:27 C 23 51 14.436 +52 08 44.05 V T08
2024-12-29 06:35:31 C 23 51 16.872 +52 08 46.90 V T08
2024-12-29 06:50:08 C 23 51 20.414 +52 08 50.78 V T08
2024-12-31 06:09:15 C 00 03 02.292 +52 21 31.36 V T05
2024-12-31 06:13:53 C 00 03 03.415 +52 21 32.36 V T05
2024-12-31 06:21:55 C 00 03 05.350 +52 21 34.02 V T05
2024-12-31 06:37:19 C 00 03 09.101 +52 21 37.08 V T05
2024-12-31 06:50:44 C 00 03 12.367 +52 21 39.60 V T05
2024-12-31 06:58:42 C 00 03 14.306 +52 21 41.22 V T05
2025-01-01 18:53:57 C 00 12 07.63 +52 28 50.6 X D04
2025-01-01 18:57:04 C 00 12 08.38 +52 28 51.0 X D04
2025-01-01 19:00:11 C 00 12 09.18 +52 28 51.3 X D04
2025-01-01 19:03:18 C 00 12 09.95 +52 28 51.8 X D04
2025-01-01 19:06:24 C 00 12 10.74 +52 28 52.2 X D04
2025-01-01 19:09:32 C 00 12 11.51 +52 28 52.9 X D04
2025-01-01 19:12:38 C 00 12 12.24 +52 28 53.4 X D04
2025-01-01 19:15:46 C 00 12 13.04 +52 28 53.8 X D04
2025-01-01 19:18:52 C 00 12 13.79 +52 28 54.6 X D04
2025-01-01 19:21:59 C 00 12 14.56 +52 28 54.7 X D04
2025-01-01 19:25:07 C 00 12 15.27 +52 28 55.0 X D04
2025-01-01 19:28:13 C 00 12 16.13 +52 28 56.0 X D04
2025-01-02 19:19:11 C 00 18 09.90 +52 32 38.8 X D04
2025-01-02 19:22:18 C 00 18 10.66 +52 32 38.9 X D04
2025-01-02 19:25:25 C 00 18 11.39 +52 32 39.3 X D04
2025-01-02 19:25:32 C 00 18 11.940 +52 32 41.06 Z C23
2025-01-02 19:28:33 C 00 18 12.15 +52 32 39.6 X D04
2025-01-02 19:30:12 C 00 18 12.929 +52 32 43.04 Z C23
2025-01-02 19:31:40 C 00 18 12.95 +52 32 39.9 X D04
2025-01-02 19:34:47 C 00 18 13.71 +52 32 40.5 X D04
2025-01-02 19:37:55 C 00 18 14.49 +52 32 40.8 X D04
2025-01-02 19:41:02 C 00 18 15.23 +52 32 41.0 X D04
2025-01-02 19:44:10 C 00 18 16.05 +52 32 41.5 X D04
2025-01-02 19:47:17 C 00 18 16.80 +52 32 41.8 X D04
2025-01-02 19:50:24 C 00 18 17.55 +52 32 42.4 X D04
2025-01-02 19:53:32 C 00 18 18.34 +52 32 42.5 X D04
2025-01-03 18:32:23 C 00 23 54.08 +52 35 27.7 X C40
2025-01-03 18:34:36 C 00 23 54.52 +52 35 28.6 X C40
2025-01-03 18:36:49 C 00 23 55.06 +52 35 28.5 X C40
2025-01-03 18:38:55 C 00 23 55.58 +52 35 28.9 X C40
2025-01-03 18:40:56 C 00 23 56.04 +52 35 29.3 X C40
2025-01-03 18:42:57 C 00 23 56.55 +52 35 29.6 X C40
2025-01-03 18:44:57 C 00 23 57.08 +52 35 29.7 X C40
2025-01-03 18:46:57 C 00 23 57.52 +52 35 29.4 X C40
2025-01-03 18:48:57 C 00 23 58.04 +52 35 30.2 X C40
2025-01-03 18:50:58 C 00 23 58.51 +52 35 29.9 X C40
2025-01-03 18:52:59 C 00 23 59.03 +52 35 30.2 X C40
2025-01-03 18:54:59 C 00 23 59.50 +52 35 30.4 X C40
2025-01-03 19:13:07 B 00 24 04.433 +52 35 34.48 q Y84
2025-01-03 19:20:00 B 00 24 06.103 +52 35 34.91 q Y84
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)