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
2011-02-27 20:42:43 C 06 53 24.69 +40 39 58.7 w I99
2011-02-27 20:46:28 C 06 53 24.81 +40 39 54.1 w I99
2011-02-27 20:52:10 C 06 53 24.89 +40 39 50.7 w I99
2011-03-01 20:20:21 C 06 54 25.78 +39 58 04.4 o J16
2011-03-01 20:40:14 C 06 54 26.21 +39 57 47.6 o J16
2011-03-01 20:55:20 C 06 54 26.50 +39 57 34.4 o J16
2011-03-01 21:55:36 C 06 54 27.84 +39 56 41.9 o J16
2011-03-01 22:36:27 C 06 54 28.69 +39 56 06.3 o J16
2011-03-06 22:24:38 C 06 57 39.82 +38 15 57.7 u A27
2011-03-06 22:34:57 C 06 57 40.11 +38 15 49.1 u A27
2011-03-06 22:46:20 C 06 57 40.48 +38 15 40.1 u A27
2011-03-06 22:52:19 C 06 57 40.64 +38 15 35.1 u A27
2011-03-08 20:55:26 C 06 59 06.92 +37 38 56.8 u A27
2011-03-08 21:05:37 C 06 59 07.24 +37 38 48.9 u A27
2011-03-08 21:07:24 C 06 59 07.29 +37 38 48.4 c A24
2011-03-08 21:08:27 C 06 59 07.32 +37 38 47.7 c A24
2011-03-08 21:09:16 C 06 59 07.30 +37 38 46.8 u 160
2011-03-08 21:11:34 C 06 59 07.37 +37 38 45.0 u 160
2011-03-08 21:13:53 C 06 59 07.46 +37 38 43.2 u 160
2011-03-08 21:22:38 C 06 59 07.76 +37 38 35.5 u A27
2011-03-08 21:32:00 C 06 59 08.05 +37 38 28.9 c A24
2011-03-08 21:37:56 C 06 59 08.27 +37 38 23.3 u A27
2011-03-08 22:20:10 C 06 59 09.54 +37 37 50.8 c A24
2011-03-08 22:21:12 C 06 59 09.58 +37 37 50.0 c A24
2011-03-09 16:55:20 C 06 59 46.388 +37 23 20.58 r 168
2011-03-09 18:20:30 C 06 59 49.094 +37 22 13.70 r 168
2011-03-09 18:24:09 C 06 59 49.201 +37 22 10.89 r 168
2011-03-09 19:44:05 C 06 59 51.805 +37 21 08.41 r 168
2011-03-09 19:50:16 C 06 59 52.23 +37 21 06.1 c A24
2011-03-09 19:51:18 C 06 59 52.27 +37 21 05.1 c A24
2011-03-09 21:04:58 C 06 59 54.57 +37 20 08.0 c A24
2011-03-09 21:06:00 C 06 59 54.63 +37 20 07.1 c A24
2011-03-09 21:23:35 C 06 59 55.066 +37 19 50.29 r 168
2011-03-10 19:45:10 C 07 00 40.796 +37 02 39.62 r 168
2011-03-10 19:46:31 C 07 00 40.827 +37 02 38.23 r 168
2011-03-10 19:50:20 C 07 00 40.966 +37 02 35.12 r 168
2011-03-10 20:58:28 C 07 00 43.41 +37 01 45.6 u 160
2011-03-10 21:01:35 C 07 00 43.49 +37 01 43.2 u 160
2011-03-10 21:04:40 C 07 00 43.61 +37 01 41.0 u 160
2011-03-17 18:49:55 C 07 07 02.19 +35 00 50.9 r 168
2011-03-17 19:53:30 C 07 07 04.72 +35 00 05.2 r 168
2011-03-17 21:20:51 C 07 07 08.30 +34 59 04.1 r 168
2011-03-18 19:30:12 C 07 08 04.03 +34 43 49.5 u J87
2011-03-18 19:39:12 C 07 08 04.39 +34 43 43.4 u J87
2011-03-18 19:48:09 C 07 08 04.75 +34 43 37.3 u J87
2011-03-20 02:45:28 C 07 09 23.75 +34 22 32.7 u H45
2011-03-20 02:48:15 C 07 09 23.86 +34 22 30.7 u H45
2011-03-20 02:51:14 C 07 09 23.97 +34 22 29.0 u H45
2011-03-20 02:54:35 C 07 09 24.10 +34 22 26.9 u H45
2011-03-20 02:56:06 C 07 09 24.17 +34 22 25.6 u H45
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)