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
2014-01-14 11:12:47 C 12 41 57.71 -12 15 10.8 q 703
2014-01-14 11:22:18 C 12 41 57.70 -12 15 15.3 q 703
2014-01-14 11:35:34 C 12 41 57.83 -12 15 19.7 q 703
2014-01-14 11:45:04 C 12 41 57.94 -12 15 25.1 q 703
2014-02-12 11:29:50 C 12 35 07.72 -16 14 42.7 o 926
2014-02-12 12:05:31 C 12 35 06.60 -16 14 51.1 o 926
2014-02-12 12:31:59 C 12 35 05.75 -16 14 58.3 o 926
2014-03-04 08:52:11 C 12 14 33.69 -17 41 18.2 o 695
2014-03-04 08:53:25 C 12 14 33.62 -17 41 18.3 o 695
2014-03-04 08:54:37 C 12 14 33.56 -17 41 18.4 o 695
2014-03-05 07:24:23 C 12 13 18.51 -17 43 06.7 o 926
2014-03-05 07:33:34 C 12 13 17.96 -17 43 07.2 o 695
2014-03-05 07:50:23 C 12 13 16.98 -17 43 08.2 o 926
2014-03-05 08:24:25 C 12 13 15.03 -17 43 11.1 o 926
2014-03-05 08:25:25 C 12 13 14.98 -17 43 11.3 o 695
2014-03-05 09:17:31 C 12 13 11.97 -17 43 14.9 o 695
2014-03-09 22:06:25 C 12 06 52.18 -17 48 40.8 q 246
2014-03-09 22:06:55 C 12 06 52.20 -17 48 41.3 q 246
2014-03-09 22:07:59 C 12 06 52.14 -17 48 41.4 q 246
2014-03-09 22:08:36 C 12 06 52.09 -17 48 41.2 q 246
2014-03-09 22:09:01 C 12 06 52.08 -17 48 41.2 q 246
2014-03-09 22:09:38 C 12 06 52.05 -17 48 41.3 q 246
2014-03-09 22:10:57 C 12 06 51.97 -17 48 41.5 q 246
2014-03-09 22:12:31 C 12 06 51.86 -17 48 41.2 q 246
2014-03-09 22:13:02 C 12 06 51.84 -17 48 40.9 q 246
2014-03-10 07:54:18 C 12 06 16.82 -17 48 54.2 q 703
2014-03-10 08:02:21 C 12 06 16.32 -17 48 53.8 q 703
2014-03-10 08:10:24 C 12 06 15.84 -17 48 53.7 q 703
2014-03-10 08:18:26 C 12 06 15.32 -17 48 54.2 q 703
2014-03-12 09:41:05 C 12 03 15.027 -17 49 21.02 L F51
2014-03-12 09:58:22 C 12 03 13.938 -17 49 21.06 L F51
2014-03-12 10:15:08 C 12 03 12.882 -17 49 21.05 L F51
2014-03-12 10:31:17 C 12 03 11.861 -17 49 21.04 L F51
2014-03-14 06:50:47 C 12 00 26.84 -17 48 49.2 u H21
2014-03-14 06:53:51 C 12 00 26.66 -17 48 49.2 u H21
2014-03-14 06:56:30 C 12 00 26.47 -17 48 49.5 u H21
2014-03-14 06:59:30 C 12 00 26.26 -17 48 49.3 u H21
2014-03-15 06:06:36 C 11 58 59.44 -17 48 11.4 u H21
2014-03-15 06:09:03 C 11 58 59.26 -17 48 11.2 u H21
2014-03-15 06:10:42 C 11 58 59.17 -17 48 11.5 u H21
2014-03-15 06:13:10 C 11 58 59.01 -17 48 11.2 u H21
2014-03-15 06:14:49 C 11 58 58.91 -17 48 10.9 u H21
2014-03-15 06:17:17 C 11 58 58.76 -17 48 10.6 u H21
2014-03-15 06:22:12 C 11 58 58.43 -17 48 10.1 u H21
2014-03-15 06:23:51 C 11 58 58.33 -17 48 10.5 u H21
2014-03-29 05:18:31 C 11 37 45.37 -17 13 58.1 R G45
2014-03-29 05:34:55 C 11 37 44.36 -17 13 54.5 R G45
2014-03-29 05:51:19 C 11 37 43.37 -17 13 51.8 R G45
2014-03-29 06:07:43 C 11 37 42.29 -17 13 50.0 R G45
2014-03-29 06:18:12 C 11 37 41.65 -17 13 47.2 q 703
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)