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
2025-01-13 18:39:47 C 01 21 48.900 +52 21 26.39 Z C23
2025-01-13 18:55:45 C 01 21 52.534 +52 21 22.93 Z C23
2025-01-13 19:09:00 C 01 21 55.598 +52 21 20.02 Z C23
2025-01-13 20:56:30 B 01 22 20.30 +52 20 56.3 V 185
2025-01-13 21:09:50 B 01 22 23.38 +52 20 53.2 V 185
2025-01-13 21:23:48 B 01 22 26.60 +52 20 49.9 V 185
2025-01-14 18:45:30 C 01 27 24.295 +52 16 09.52 X D77
2025-01-14 19:03:50 C 01 27 28.426 +52 16 05.16 X D77
2025-01-14 19:15:27 C 01 27 31.116 +52 16 02.14 X D77
2025-01-15 20:38:18 B 01 33 20.79 +52 09 41.3 X L76
2025-01-15 20:45:07 B 01 33 22.37 +52 09 39.4 X L76
2025-01-15 20:51:40 B 01 33 23.85 +52 09 37.5 X L76
2025-01-15 20:58:13 B 01 33 25.35 +52 09 35.5 X L76
2025-01-15 21:04:45 B 01 33 26.84 +52 09 33.7 X L76
2025-01-15 21:11:18 B 01 33 28.33 +52 09 31.9 X L76
2025-01-16 07:37:02 C 01 35 51.060 +52 06 53.46 V T05
2025-01-16 07:41:02 C 01 35 51.950 +52 06 52.34 V T05
2025-01-16 07:55:41 C 01 35 55.243 +52 06 47.95 V T05
2025-01-16 08:16:19 C 01 35 59.882 +52 06 41.65 V T05
2025-01-16 18:02:57 C 01 38 13.910 +52 03 59.18 X D77
2025-01-16 18:20:24 C 01 38 17.808 +52 03 54.25 X D77
2025-01-16 18:32:00 C 01 38 20.369 +52 03 51.05 X D77
2025-01-18 08:36:34 C 01 46 53.256 +51 52 25.39 V T08
2025-01-18 08:41:59 C 01 46 54.458 +51 52 23.48 V T08
2025-01-18 08:49:21 C 01 46 56.074 +51 52 20.86 V T08
2025-01-18 20:37:14 C 01 49 33.95 +51 48 32.6 V J53
2025-01-18 20:38:19 C 01 49 34.19 +51 48 32.2 V J53
2025-01-18 20:39:59 C 01 49 34.55 +51 48 31.6 V J53
2025-01-18 20:51:25 C 01 49 37.05 +51 48 27.6 V J53
2025-01-18 20:53:36 C 01 49 37.53 +51 48 27.0 V J53
2025-01-18 20:56:51 C 01 49 38.24 +51 48 25.8 V J53
2025-01-18 20:59:02 C 01 49 38.71 +51 48 25.0 V J53
2025-01-18 20:59:34 C 01 49 38.82 +51 48 24.8 V J53
2025-01-18 21:00:39 C 01 49 39.07 +51 48 24.4 V J53
2025-01-18 21:02:51 C 01 49 39.55 +51 48 23.7 V J53
2025-01-20 06:35:09 C 01 57 02.244 +51 36 55.80 V T05
2025-01-20 06:45:56 C 01 57 04.562 +51 36 51.77 V T05
2025-01-20 07:01:46 C 01 57 07.949 +51 36 45.83 V T05
2025-01-20 07:06:22 C 01 57 08.954 +51 36 44.06 V T05
2025-01-20 18:25:16 C 01 59 36.88 +51 32 33.7 X D04
2025-01-20 18:28:23 C 01 59 37.47 +51 32 32.8 X D04
2025-01-20 18:31:31 C 01 59 38.16 +51 32 31.1 X D04
2025-01-20 18:34:37 C 01 59 38.84 +51 32 29.8 X D04
2025-01-20 18:40:52 C 01 59 40.11 +51 32 28.1 X D04
2025-01-20 18:44:00 C 01 59 40.83 +51 32 26.3 X D04
2025-01-20 18:47:07 C 01 59 41.52 +51 32 25.1 X D04
2025-01-20 18:50:14 C 01 59 42.18 +51 32 23.8 X D04
2025-01-20 18:53:21 C 01 59 42.85 +51 32 23.3 X D04
2025-01-20 18:56:29 C 01 59 43.51 +51 32 21.7 X D04
2025-01-20 18:59:36 C 01 59 44.20 +51 32 20.2 X D04
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)