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
2017-09-03 07:55:32 C 20 41 28.27 +18 38 45.0 9.5 r 718
2017-09-03 07:58:41 C 20 41 26.95 +18 39 50.3 9.4 r 718
2017-09-03 18:35:30 C 20 37 28.08 +22 16 29.3 9.6 q K46
2017-09-03 18:39:00 C 20 37 26.62 +22 17 39.5 9.5 q K46
2017-09-03 18:42:31 C 20 37 25.14 +22 18 50.0 9.5 q K46
2017-09-03 18:45:31 C 20 37 23.88 +22 19 50.1 9.5 q K46
2017-09-03 19:34:26 C 20 37 03.25 +22 36 08.4 q K74
2017-09-03 19:36:36 C 20 37 02.34 +22 36 51.4 q K74
2017-09-03 19:39:19 C 20 37 01.19 +22 37 45.7 q K74
2017-09-03 19:40:54 C 20 37 00.51 +22 38 16.9 q K74
2017-09-03 20:50:39 C 20 36 30.76 +23 01 20.3 q K74
2017-09-03 20:53:21 C 20 36 29.62 +23 02 14.0 q K74
2017-09-03 20:56:03 C 20 36 28.46 +23 03 07.1 q K74
2017-09-03 21:00:31 C 20 36 26.52 +23 04 35.3 q K74
2017-09-03 22:27:37 C 20 35 51.17 +23 33 32.3 q J27
2017-09-03 22:29:21 C 20 35 50.41 +23 34 06.3 q J27
2017-09-03 22:38:57 C 20 35 46.25 +23 37 13.9 q J27
2017-09-04 02:00:04 C 20 34 31.77 +24 42 29.6 q W46
2017-09-04 02:07:12 C 20 34 28.54 +24 44 48.3 q W46
2017-09-04 02:14:45 C 20 34 25.38 +24 47 12.6 q W46
2017-09-04 02:26:00 C 20 34 22.51 +24 50 14.8 P V78
2017-09-04 02:28:12 C 20 34 21.59 +24 50 56.8 P V78
2017-09-04 02:30:12 C 20 34 20.73 +24 51 35.4 P V78
2017-09-04 03:40:57 n 20 33 49.35 +25 14 22.9 q W08
2017-09-04 03:40:59 n 20 33 49.34 +25 14 23.4 q W08
2017-09-04 03:41:01 n 20 33 49.32 +25 14 23.8 q W08
2017-09-04 03:41:03 n 20 33 49.31 +25 14 24.6 q W08
2017-09-04 04:44:32 n 20 33 21.89 +25 34 28.2 q W08
2017-09-04 04:44:34 n 20 33 21.88 +25 34 28.7 q W08
2017-09-04 04:44:36 n 20 33 21.87 +25 34 29.5 q W08
2017-09-04 04:44:39 n 20 33 21.84 +25 34 30.2 q W08
2017-09-04 04:53:58 C 20 33 21.77 +25 37 31.9 9.3 r 718
2017-09-04 04:57:07 C 20 33 20.41 +25 38 31.7 9.5 r 718
2017-09-04 05:00:16 C 20 33 19.04 +25 39 31.1 9.6 r 718
2017-09-04 05:03:24 C 20 33 17.69 +25 40 30.7 9.5 r 718
2017-09-04 05:06:32 C 20 33 16.32 +25 41 30.1 9.5 r 718
2017-09-04 05:10:42 n 20 33 10.65 +25 42 40.8 q W08
2017-09-04 05:10:44 n 20 33 10.63 +25 42 41.3 q W08
2017-09-04 05:10:46 n 20 33 10.63 +25 42 42.2 q W08
2017-09-04 05:10:48 n 20 33 10.63 +25 42 42.8 q W08
2017-09-04 22:05:31 C 20 26 37.74 +30 47 27.6 q J27
2017-09-04 22:08:39 C 20 26 36.39 +30 48 21.2 q J27
2017-09-04 22:10:58 C 20 26 35.39 +30 49 00.8 q J27
2017-09-05 00:41:46 C 20 25 41.41 +31 31 31.1 q I15
2017-09-05 00:53:38 C 20 25 36.34 +31 34 51.9 q I15
2017-09-05 01:11:52 C 20 25 28.55 +31 39 59.6 q I15
2017-09-05 01:35:04 C 20 25 20.42 +31 48 16.4 H78
2017-09-05 01:35:53 C 20 25 20.05 +31 48 30.1 H78
2017-09-05 01:36:18 C 20 25 19.88 +31 48 37.3 H78
2017-09-05 01:37:07 C 20 25 19.51 +31 48 51.0 H78
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)