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
2010-04-18 17:18:12 S 20 30 19.63 -47 57 50.1 L C51
2010-04-18 20:28:43 S 20 30 46.84 -47 57 46.3 L C51
2010-04-18 23:39:14 S 20 31 14.08 -47 57 42.0 L C51
2010-04-19 02:49:46 S 20 31 41.34 -47 57 37.4 L C51
2010-05-06 01:17:44 S 21 30 44.717 -47 10 53.22 L C51
2010-07-28 00:55:45 C 02 16 29.77 -02 40 12.9 u 160
2010-07-28 00:57:59 C 02 16 30.09 -02 40 05.1 u 160
2010-07-28 01:00:11 C 02 16 30.42 -02 39 57.2 u 160
2010-08-03 13:10:59 S 02 41 07.512 +06 58 20.78 L C51
2010-08-03 16:21:30 S 02 41 38.666 +07 10 37.45 L C51
2010-08-03 19:31:50 S 02 42 09.835 +07 22 54.05 L C51
2010-08-03 22:42:21 S 02 42 41.083 +07 35 12.55 L C51
2010-08-04 01:52:52 S 02 43 12.370 +07 47 31.92 L C51
2010-08-09 01:57:40 C 03 03 35.68 +15 40 37.5 u 160
2010-08-09 01:58:47 C 03 03 35.87 +15 40 42.0 u 160
2010-08-09 01:59:54 C 03 03 36.04 +15 40 46.6 u 160
2010-08-09 09:50:48 C 03 04 58.89 +16 12 00.9 14.9 c 704
2010-08-09 10:07:39 C 03 05 01.80 +16 13 07.6 15.3 c 704
2010-08-09 10:24:31 C 03 05 04.65 +16 14 15.2 15.1 c 704
2010-08-09 10:42:04 C 03 05 07.75 +16 15 26.9 16.2 c 704
2010-08-09 10:59:30 C 03 05 10.65 +16 16 34.8 15.3 c 704
2010-08-21 03:35:11 C 03 59 07.96 +33 56 34.7 w J05
2010-08-21 03:36:57 C 03 59 08.32 +33 56 40.9 w J05
2010-08-21 03:40:44 C 03 59 09.09 +33 56 54.0 w J05
2010-08-21 18:44:35 C 04 02 20.05 +34 48 15.5 o 300
2010-08-21 18:45:52 C 04 02 20.33 +34 48 19.6 o 300
2010-08-21 18:47:10 C 04 02 20.60 +34 48 23.6 o 300
2010-08-21 18:48:28 C 04 02 20.90 +34 48 28.8 o 300
2010-08-21 18:49:45 C 04 02 21.17 +34 48 33.5 o 300
2010-08-21 18:51:02 C 04 02 21.42 +34 48 38.0 o 300
2010-08-29 22:41:24 C 04 46 38.07 +44 36 07.7 w J93
2010-08-29 22:43:12 C 04 46 38.52 +44 36 12.3 w J93
2010-08-29 22:45:00 C 04 46 38.93 +44 36 17.3 w J93
2010-09-11 22:14:13 C 06 06 15.22 +54 49 01.9 v J93
2010-09-11 22:16:15 C 06 06 15.77 +54 49 05.0 v J93
2010-09-11 22:18:19 C 06 06 16.30 +54 49 07.8 v J93
2010-09-15 11:17:20 C 06 28 52.50 +56 33 47.3 r 703
2010-09-16 23:26:45 C 06 38 27.38 +57 10 56.1 v J93
2010-09-16 23:28:47 C 06 38 27.90 +57 10 58.4 v J93
2010-09-16 23:30:50 C 06 38 28.44 +57 11 00.3 v J93
2010-09-27 10:15:25 C 07 42 12.51 +59 56 44.4 15.5 c 704
2010-09-27 10:33:30 C 07 42 16.89 +59 56 54.7 16.6 c 704
2010-09-27 10:51:31 C 07 42 20.97 +59 57 00.2 15.4 c 704
2010-09-27 11:09:34 C 07 42 25.09 +59 57 07.7 15.6 c 704
2010-09-27 11:27:38 C 07 42 29.46 +59 57 15.9 15.5 c 704
2010-09-28 10:09:25 C 07 47 53.27 +60 05 32.1 15.1 c 704
2010-09-28 10:27:59 C 07 47 57.61 +60 05 39.6 15.3 c 704
2010-09-28 10:46:32 C 07 48 01.89 +60 05 47.0 15.2 c 704
2010-09-28 11:05:04 C 07 48 06.10 +60 05 53.8 15.5 c 704
2010-09-28 11:23:35 C 07 48 10.45 +60 06 01.1 15.4 c 704
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)