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
2011-01-30 06:17:14 C 07 03 32.54 +52 47 37.6 r 703
2011-01-30 06:24:38 C 07 03 32.04 +52 47 28.9 r 703
2011-01-31 10:53:58 C 07 01 48.44 +52 14 01.5 o 300
2011-01-31 10:55:30 C 07 01 48.29 +52 13 59.6 o 300
2011-01-31 10:57:00 C 07 01 48.22 +52 13 57.4 o 300
2011-01-31 10:58:29 C 07 01 48.11 +52 13 55.6 o 300
2011-01-31 10:59:57 C 07 01 48.02 +52 13 54.4 o 300
2011-01-31 11:01:26 C 07 01 47.90 +52 13 52.6 o 300
2011-01-31 11:02:54 C 07 01 47.81 +52 13 51.1 o 300
2011-02-01 10:53:09 C 07 00 27.49 +51 45 54.7 o 300
2011-02-01 10:54:38 C 07 00 27.41 +51 45 53.2 o 300
2011-02-01 10:56:07 C 07 00 27.35 +51 45 51.0 o 300
2011-02-01 10:56:13 C 07 00 27.23 +51 45 51.7 u 379
2011-02-01 10:58:54 C 07 00 27.08 +51 45 48.7 u 379
2011-02-01 10:59:09 C 07 00 27.14 +51 45 48.0 o 300
2011-02-01 11:01:37 C 07 00 26.93 +51 45 45.6 u 379
2011-02-01 11:03:36 C 07 00 26.91 +51 45 42.8 o 300
2011-02-01 11:05:05 C 07 00 26.78 +51 45 41.2 o 300
2011-02-01 11:06:34 C 07 00 26.71 +51 45 39.2 o 300
2011-02-01 11:09:32 C 07 00 26.56 +51 45 36.2 o 300
2011-02-01 11:10:59 C 07 00 26.40 +51 45 34.9 u 379
2011-02-01 11:13:43 C 07 00 26.25 +51 45 31.3 u 379
2011-02-01 11:16:28 C 07 00 26.10 +51 45 28.3 u 379
2011-02-02 12:50:11 C 06 59 06.51 +51 15 35.8 o 300
2011-02-02 12:51:27 C 06 59 06.50 +51 15 34.2 o 300
2011-02-02 12:53:57 C 06 59 06.37 +51 15 31.3 o 300
2011-02-02 12:55:11 C 06 59 06.31 +51 15 30.3 o 300
2011-02-02 12:56:25 C 06 59 06.23 +51 15 28.2 o 300
2011-02-03 12:01:08 C 06 58 00.74 +50 48 35.0 u 379
2011-02-03 12:22:30 C 06 57 59.66 +50 48 10.5 u 379
2011-02-03 12:25:13 C 06 57 59.48 +50 48 07.1 u 379
2011-02-03 12:33:55 C 06 57 59.09 +50 47 57.5 u 379
2011-02-03 12:36:38 C 06 57 58.93 +50 47 54.3 u 379
2011-02-03 20:52:10 C 06 57 37.05 +50 38 17.8 o J97
2011-02-03 20:57:05 C 06 57 36.82 +50 38 12.1 o J97
2011-02-03 21:02:41 C 06 57 36.55 +50 38 05.6 o J97
2011-02-04 01:54:31 C 06 57 23.79 +50 32 26.1 u I15
2011-02-04 02:01:05 C 06 57 23.48 +50 32 18.4 u I15
2011-02-04 02:09:51 C 06 57 23.08 +50 32 08.3 u I15
2011-02-04 22:02:30 C 06 56 33.42 +50 09 07.7 c A24
2011-02-04 22:03:53 C 06 56 33.36 +50 09 06.2 c A24
2011-02-04 22:47:12 C 06 56 31.50 +50 08 15.6 c A24
2011-02-04 22:48:35 C 06 56 31.45 +50 08 14.3 c A24
2011-02-04 23:57:52 C 06 56 28.52 +50 06 53.3 c A24
2011-02-04 23:59:14 C 06 56 28.45 +50 06 51.9 c A24
2011-02-05 18:12:42 C 06 55 47.78 +49 45 51.6 u 240
2011-02-05 18:15:53 C 06 55 47.67 +49 45 47.8 u 240
2011-02-05 18:20:07 C 06 55 47.51 +49 45 42.9 u 240
2011-02-05 18:25:25 C 06 55 47.30 +49 45 36.9 u 240
2011-02-05 18:31:16 C 06 55 47.07 +49 45 30.2 u 240
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)