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
2025-01-08 06:00:55 C 00 50 13.207 +52 38 34.76 V T05
2025-01-08 06:05:32 C 00 50 14.302 +52 38 34.40 V T05
2025-01-08 06:19:39 C 00 50 17.669 +52 38 33.40 V T05
2025-01-08 06:36:18 C 00 50 21.622 +52 38 32.24 V T05
2025-01-08 23:58:55 C 00 54 34.09 +52 37 17.1 X D04
2025-01-09 00:00:59 C 00 54 34.56 +52 37 17.9 X D04
2025-01-09 00:03:04 C 00 54 35.00 +52 37 17.6 X D04
2025-01-09 00:07:14 C 00 54 35.99 +52 37 16.0 X D04
2025-01-09 00:09:19 C 00 54 36.55 +52 37 16.5 X D04
2025-01-09 00:13:11 C 00 54 37.57 +52 37 16.4 X D04
2025-01-09 19:15:50 C 00 59 12.970 +52 35 53.05 Z C23
2025-01-09 19:40:55 C 00 59 18.938 +52 35 50.60 Z C23
2025-01-09 19:55:55 C 00 59 22.440 +52 35 48.66 Z C23
2025-01-10 06:39:02 C 01 01 56.486 +52 34 49.04 V T08
2025-01-10 06:43:39 C 01 01 57.581 +52 34 48.36 V T08
2025-01-10 06:54:24 C 01 02 00.106 +52 34 46.92 V T08
2025-01-10 07:11:49 C 01 02 04.214 +52 34 44.58 V T08
2025-01-10 12:36:16 C 01 03 22.02 +52 34 06.6 V D29
2025-01-10 12:50:16 C 01 03 25.32 +52 34 04.7 V D29
2025-01-10 13:04:16 C 01 03 28.62 +52 34 02.6 V D29
2025-01-10 18:23:36 C 01 04 45.662 +52 33 21.82 Z C23
2025-01-10 18:42:34 C 01 04 49.56 +52 33 19.7 X D04
2025-01-10 18:44:43 C 01 04 50.609 +52 33 21.02 Z C23
2025-01-10 18:45:41 C 01 04 50.28 +52 33 19.4 X D04
2025-01-10 18:48:48 C 01 04 50.95 +52 33 18.9 X D04
2025-01-10 18:51:55 C 01 04 51.74 +52 33 18.5 X D04
2025-01-10 18:55:03 C 01 04 52.46 +52 33 17.8 X D04
2025-01-10 18:58:09 C 01 04 53.21 +52 33 17.4 X D04
2025-01-10 19:01:17 C 01 04 53.98 +52 33 17.4 X D04
2025-01-10 19:04:24 C 01 04 54.71 +52 33 16.8 X D04
2025-01-10 19:07:31 C 01 04 55.43 +52 33 16.5 X D04
2025-01-10 19:10:38 C 01 04 56.15 +52 33 15.8 X D04
2025-01-10 19:13:46 C 01 04 56.91 +52 33 15.3 X D04
2025-01-10 19:16:53 C 01 04 57.64 +52 33 14.5 X D04
2025-01-11 18:57:48 C 01 10 35.58 +52 30 00.0 X D04
2025-01-11 19:04:03 C 01 10 37.00 +52 29 58.6 X D04
2025-01-11 19:10:17 C 01 10 38.62 +52 29 57.4 X D04
2025-01-11 19:13:25 C 01 10 39.28 +52 29 56.4 X D04
2025-01-11 19:16:32 C 01 10 40.05 +52 29 56.6 X D04
2025-01-11 19:22:47 C 01 10 41.42 +52 29 54.7 X D04
2025-01-11 19:25:55 C 01 10 42.16 +52 29 53.4 X D04
2025-01-11 20:31:09 B 01 10 57.953 +52 29 46.00 q Y84
2025-01-11 21:26:11 B 01 11 10.841 +52 29 36.49 q Y84
2025-01-11 22:21:12 B 01 11 23.748 +52 29 26.56 q Y84
2025-01-12 07:10:41 C 01 13 28.855 +52 28 07.75 V T05
2025-01-12 07:23:19 C 01 13 31.786 +52 28 05.27 V T05
2025-01-12 07:38:32 C 01 13 35.335 +52 28 02.28 V T05
2025-01-12 14:58:02 C 01 15 18.79 +52 26 42.2 V D29
2025-01-12 15:10:09 C 01 15 21.63 +52 26 39.5 V D29
2025-01-12 15:22:17 C 01 15 24.47 +52 26 37.0 V D29
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)