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
2016-03-26 18:45:06 C 09 43 18.29 +10 36 51.8 u 240
2016-03-26 18:49:20 C 09 43 18.14 +10 36 51.3 u 240
2016-03-26 18:49:52 C 09 43 18.12 +10 36 51.2 u 240
2016-03-26 18:53:34 C 09 43 17.99 +10 36 50.8 u 240
2016-03-26 21:59:54 C 09 43 11.53 +10 36 32.5 q 160
2016-03-26 22:02:11 C 09 43 11.46 +10 36 32.2 q 160
2016-03-26 22:04:28 C 09 43 11.39 +10 36 32.0 q 160
2016-03-27 13:12:53 C 09 42 41.72 +10 34 59.9 q D29
2016-03-27 13:38:17 C 09 42 40.88 +10 34 57.2 q D29
2016-03-27 14:03:41 C 09 42 40.01 +10 34 54.7 q D29
2016-03-29 04:00:58 C 09 41 29.49 +10 30 52.0 q H45
2016-03-29 04:02:54 C 09 41 29.43 +10 30 51.6 q H45
2016-03-29 04:04:22 C 09 41 29.39 +10 30 51.3 q H45
2016-03-29 04:05:50 C 09 41 29.34 +10 30 51.3 q H45
2016-03-29 04:07:11 C 09 41 29.29 +10 30 51.1 q H45
2016-03-29 09:10:43 C 09 41 20.23 +10 30 19.7 L T05
2016-03-29 09:42:21 C 09 41 19.29 +10 30 16.3 L T05
2016-03-29 10:14:25 C 09 41 18.40 +10 30 11.5 L T05
2016-03-29 10:46:31 C 09 41 17.28 +10 30 09.0 L T05
2016-04-01 04:08:59 C 09 39 31.20 +10 22 37.3 q H45
2016-04-01 04:10:49 C 09 39 31.15 +10 22 37.2 q H45
2016-04-01 04:12:14 C 09 39 31.12 +10 22 36.9 q H45
2016-04-02 09:17:31 C 09 38 49.13 +10 19 06.6 L T05
2016-04-02 09:50:17 C 09 38 48.36 +10 19 02.6 L T05
2016-04-02 10:23:16 C 09 38 47.47 +10 18 58.9 L T05
2016-04-02 10:56:31 C 09 38 46.75 +10 18 55.3 L T05
2016-04-07 22:22:21 C 09 36 19.25 +10 01 33.4 q Y00
2016-04-07 22:35:16 C 09 36 19.01 +10 01 31.5 q Y00
2016-04-07 23:00:01 C 09 36 18.68 +10 01 28.5 q Y00
2016-04-12 07:40:20 C 09 35 06.97 +09 45 54.8 L T05
2016-04-12 08:06:01 C 09 35 06.70 +09 45 51.5 L T05
2016-04-12 08:35:29 C 09 35 06.48 +09 45 46.8 L T05
2016-04-12 09:03:34 C 09 35 06.23 +09 45 41.5 L T05
2016-04-13 03:44:02 C 09 34 57.80 +09 42 46.4 q 703
2016-04-13 03:52:43 C 09 34 57.74 +09 42 44.6 q 703
2016-04-13 04:10:02 C 09 34 57.49 +09 42 39.5 q 703
2016-04-21 07:14:06 C 09 34 36.915 +09 09 43.03 L F51
2016-04-21 07:32:29 C 09 34 36.951 +09 09 39.65 L F51
2016-04-21 07:50:51 C 09 34 36.992 +09 09 36.36 L F51
2016-04-21 08:09:47 C 09 34 37.033 +09 09 32.86 L F51
2016-04-25 21:05:53 C 09 35 16.25 +08 49 08.5 q 160
2016-04-25 21:08:47 C 09 35 16.26 +08 49 07.8 q 160
2016-04-25 21:11:43 C 09 35 16.29 +08 49 07.1 q 160
2016-05-01 07:40:42 C 09 36 45.73 +08 22 59.2 L T05
2016-05-01 08:02:04 C 09 36 46.02 +08 22 53.6 L T05
2016-05-01 08:24:08 C 09 36 46.25 +08 22 50.1 L T05
2016-05-01 08:47:36 C 09 36 46.63 +08 22 44.5 L T05
2016-05-03 18:42:02 C 09 37 40.25 +08 10 34.5 o K95
2016-05-03 19:00:23 C 09 37 40.55 +08 10 30.1 o K95
2016-05-03 19:04:22 C 09 37 40.61 +08 10 29.7 o K95
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)