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
2016-02-19 09:23:07 C 10 34 06.28 +11 07 35.0 q H45
2016-02-19 09:25:01 C 10 34 06.13 +11 07 35.2 q H45
2016-02-19 09:26:34 C 10 34 06.01 +11 07 35.4 q H45
2016-02-19 09:27:50 C 10 34 05.95 +11 07 35.4 q H45
2016-02-19 09:29:48 C 10 34 05.78 +11 07 35.2 q H45
2016-02-23 05:22:58 C 10 27 27.89 +11 09 01.3 u H21
2016-02-23 05:26:45 C 10 27 27.63 +11 09 01.4 u H21
2016-02-23 05:30:32 C 10 27 27.34 +11 09 01.5 u H21
2016-02-23 05:34:18 C 10 27 27.06 +11 09 01.6 u H21
2016-02-23 05:38:05 C 10 27 26.77 +11 09 01.6 u H21
2016-02-23 05:41:52 C 10 27 26.50 +11 09 01.6 u H21
2016-02-23 05:45:39 C 10 27 26.24 +11 09 01.6 u H21
2016-02-23 05:49:25 C 10 27 25.95 +11 09 01.5 u H21
2016-02-23 05:53:12 C 10 27 25.68 +11 09 01.6 u H21
2016-02-23 05:56:58 C 10 27 25.40 +11 09 01.6 u H21
2016-02-23 06:01:00 C 10 27 25.10 +11 09 02.0 u H21
2016-02-26 06:48:47 C 10 22 12.97 +11 09 39.4 q G96
2016-02-26 06:56:15 C 10 22 12.43 +11 09 39.3 q G96
2016-02-26 07:03:44 C 10 22 11.89 +11 09 39.6 q G96
2016-02-26 07:11:13 C 10 22 11.35 +11 09 39.6 q G96
2016-02-28 09:01:41 C 10 18 40.89 +11 09 45.1 R G45
2016-02-28 09:12:04 C 10 18 40.17 +11 09 44.8 R G45
2016-02-28 09:12:57 C 10 18 40.10 +11 09 45.1 R G45
2016-02-28 09:20:31 C 10 18 39.56 +11 09 44.9 R G45
2016-02-28 09:28:57 C 10 18 38.97 +11 09 45.0 R G45
2016-03-01 23:30:27 C 10 14 23.24 +11 09 25.1 q 160
2016-03-01 23:32:42 C 10 14 23.08 +11 09 24.5 q 160
2016-03-01 23:34:57 C 10 14 22.92 +11 09 24.8 q 160
2016-03-02 06:02:42 C 10 13 56.85 +11 09 22.5 q G96
2016-03-02 06:12:11 C 10 13 56.20 +11 09 22.2 q G96
2016-03-02 06:21:41 C 10 13 55.54 +11 09 22.3 q G96
2016-03-02 06:31:11 C 10 13 54.89 +11 09 22.2 q G96
2016-03-04 00:18:11 C 10 11 07.43 +11 08 47.7 q 160
2016-03-04 00:20:38 C 10 11 07.19 +11 08 48.3 q 160
2016-03-04 00:23:04 C 10 11 07.01 +11 08 48.0 q 160
2016-03-05 11:17:06 C 10 08 50.42 +11 08 12.2 L T05
2016-03-05 11:48:43 C 10 08 48.34 +11 08 11.6 L T05
2016-03-05 12:20:44 C 10 08 46.24 +11 08 10.9 L T05
2016-03-05 12:53:05 C 10 08 44.15 +11 08 09.9 L T05
2016-03-06 07:47:50 C 10 07 31.992 +11 07 44.60 L F51
2016-03-06 08:04:39 C 10 07 30.896 +11 07 44.24 L F51
2016-03-06 08:21:26 C 10 07 29.802 +11 07 43.84 L F51
2016-03-06 08:38:17 C 10 07 28.703 +11 07 43.47 L F51
2016-03-08 07:37:29 C 10 04 32.910 +11 06 25.12 L F51
2016-03-08 07:54:12 C 10 04 31.857 +11 06 24.65 L F51
2016-03-10 03:33:20 C 10 01 54.58 +11 04 52.1 q 703
2016-03-10 03:44:15 C 10 01 53.93 +11 04 51.8 q 703
2016-03-10 03:55:12 C 10 01 53.26 +11 04 51.1 q 703
2016-03-10 04:06:06 C 10 01 52.60 +11 04 51.1 q 703
2016-03-10 07:23:01 C 10 01 41.034 +11 04 44.38 L F51
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)