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
2011-01-02 08:40:56 C 08 34 05.17 +63 14 55.7 o H21
2011-01-02 09:30:02 C 08 33 55.40 +63 14 32.4 o H21
2011-01-03 05:32:37 C 08 30 04.85 +63 04 57.3 o H21
2011-01-03 06:07:49 C 08 29 57.89 +63 04 40.5 o H21
2011-01-03 06:24:20 C 08 29 54.60 +63 04 32.4 o H21
2011-01-03 06:57:20 C 08 29 48.06 +63 04 16.1 o H21
2011-01-03 08:37:56 C 08 29 28.11 +63 03 25.4 o H21
2011-01-03 09:11:00 C 08 29 21.57 +63 03 08.3 o H21
2011-01-03 09:44:02 C 08 29 15.04 +63 02 51.0 o H21
2011-01-03 10:16:54 C 08 29 08.56 +63 02 33.5 o H21
2011-01-03 10:48:38 C 08 29 02.34 +63 02 16.6 o H21
2011-01-04 06:34:16 C 08 25 17.09 +62 51 54.4 o H21
2011-01-04 07:10:59 C 08 25 09.87 +62 51 34.5 o H21
2011-01-04 07:49:02 C 08 25 02.40 +62 51 13.6 o H21
2011-01-04 08:23:04 C 08 24 55.73 +62 50 54.8 o H21
2011-01-04 08:25:46 C 08 24 55.20 +62 50 53.2 o H21
2011-01-04 09:03:52 C 08 24 47.74 +62 50 31.7 o H21
2011-01-04 09:41:47 C 08 24 40.34 +62 50 10.1 o H21
2011-01-04 10:00:35 C 08 24 36.67 +62 49 59.3 o H21
2011-01-08 20:06:43 C 08 05 10.02 +61 40 44.5 v J93
2011-01-08 20:12:47 C 08 05 08.93 +61 40 39.8 v J93
2011-01-08 20:18:54 C 08 05 07.81 +61 40 35.4 v J93
2011-01-13 15:07:51 C 07 46 12.99 +60 04 18.9 o 300
2011-01-13 15:10:46 C 07 46 12.49 +60 04 17.1 o 300
2011-01-13 15:12:14 C 07 46 12.27 +60 04 15.4 o 300
2011-01-13 15:13:42 C 07 46 12.08 +60 04 13.9 o 300
2011-01-13 15:15:09 C 07 46 11.81 +60 04 12.8 o 300
2011-01-13 15:16:37 C 07 46 11.59 +60 04 11.3 o 300
2011-01-13 15:19:32 C 07 46 11.10 +60 04 08.5 o 300
2011-01-13 15:21:00 C 07 46 10.91 +60 04 07.5 o 300
2011-01-13 15:22:30 C 07 46 10.61 +60 04 06.4 o 300
2011-01-13 15:24:00 C 07 46 10.41 +60 04 04.5 o 300
2011-01-13 15:28:24 C 07 46 09.72 +60 04 00.9 o 300
2011-01-14 01:33:53 C 07 44 37.67 +59 54 34.9 d B54
2011-01-14 01:36:31 C 07 44 37.31 +59 54 32.7 d B54
2011-01-14 06:04:59 C 07 43 57.97 +59 50 21.3 r 703
2011-01-14 06:10:39 C 07 43 57.10 +59 50 16.0 r 703
2011-01-14 06:16:18 C 07 43 56.20 +59 50 10.8 r 703
2011-01-14 06:21:57 C 07 43 55.41 +59 50 06.1 r 703
2011-01-14 10:16:44 C 07 43 19.14 +59 46 21.2 c H10
2011-01-14 10:50:33 C 07 43 13.99 +59 45 48.0 c H10
2011-01-15 21:05:21 C 07 38 19.29 +59 12 32.3 v 204
2011-01-15 21:08:43 C 07 38 18.82 +59 12 29.0 v 204
2011-01-15 21:12:08 C 07 38 18.32 +59 12 25.6 v 204
2011-01-15 21:15:32 C 07 38 17.83 +59 12 22.4 v 204
2011-01-15 21:18:56 C 07 38 17.34 +59 12 19.1 v 204
2011-01-16 07:05:04 C 07 36 55.25 +59 02 38.2 15.8 c 704
2011-01-16 07:24:07 C 07 36 52.53 +59 02 19.2 16.1 c 704
2011-01-16 07:43:54 C 07 36 49.70 +59 01 59.3 16.1 c 704
2011-01-16 08:03:08 C 07 36 46.96 +59 01 39.8 16.0 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)