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
2021-02-10 09:03:04 C 12 20 53.38 -12 35 59.1 U I41
2021-02-10 10:02:03 C 12 20 51.36 -12 36 12.1 U I41
2021-02-11 10:04:01 C 12 20 02.65 -12 41 20.9 V 703
2021-02-11 10:11:36 C 12 20 02.36 -12 41 22.3 V 703
2021-02-11 10:19:11 C 12 20 02.15 -12 41 23.7 V 703
2021-02-11 10:26:46 C 12 20 01.84 -12 41 26.4 V 703
2021-02-11 12:53:55 C 12 19 56.842 -12 41 55.32 U F51
2021-02-11 13:25:37 C 12 19 55.700 -12 42 01.95 U F51
2021-02-11 13:31:19 C 12 19 55.49 -12 42 03.0 V T08
2021-02-11 13:36:12 C 12 19 55.32 -12 42 04.2 V T08
2021-02-11 13:41:28 C 12 19 55.129 -12 42 05.28 U F51
2021-02-11 14:16:02 C 12 19 53.84 -12 42 12.7 V T08
2021-02-11 14:56:58 C 12 19 52.41 -12 42 20.9 V T08
2021-02-13 10:03:12 C 12 18 19.72 -12 51 02.3 V T05
2021-02-13 10:14:30 C 12 18 19.26 -12 51 04.8 V T05
2021-02-13 10:21:52 C 12 18 19.02 -12 51 06.2 V T05
2021-02-13 10:40:37 C 12 18 18.26 -12 51 09.8 V T05
2021-02-14 12:03:31 C 12 17 20.25 -12 55 59.2 V T08
2021-02-14 12:08:09 C 12 17 20.08 -12 55 59.8 V T08
2021-02-14 12:16:07 C 12 17 19.75 -12 56 01.5 V T08
2021-02-14 12:24:05 C 12 17 19.42 -12 56 02.9 V T08
2021-02-15 12:18:28 C 12 16 22.84 -13 00 23.4 V T08
2021-02-15 12:22:27 C 12 16 22.67 -13 00 24.2 V T08
2021-02-15 12:26:25 C 12 16 22.49 -13 00 24.8 V T08
2021-02-15 12:43:43 C 12 16 21.79 -13 00 28.1 V T08
2021-02-16 11:17:24 C 12 15 26.71 -13 04 22.5 V T05
2021-02-16 11:22:42 C 12 15 26.45 -13 04 23.6 V T05
2021-02-16 12:00:12 C 12 15 24.85 -13 04 29.6 V T05
2021-02-16 12:08:06 C 12 15 24.52 -13 04 31.0 V T05
2021-02-17 13:16:29 C 12 14 20.80 -13 08 39.9 V T05
2021-02-17 13:22:43 C 12 14 20.55 -13 08 40.6 V T05
2021-02-17 14:00:47 C 12 14 18.84 -13 08 46.8 V T05
2021-02-17 14:39:01 C 12 14 17.16 -13 08 52.7 V T05
2021-02-19 08:43:23 C 12 12 26.14 -13 15 17.4 V 703
2021-02-19 08:50:59 C 12 12 25.80 -13 15 18.3 V 703
2021-02-19 09:06:13 C 12 12 24.90 -13 15 21.9 V 703
2021-02-20 07:29:02 C 12 11 23.68 -13 18 29.2 U I41
2021-02-20 09:33:20 C 12 11 17.75 -13 18 46.3 U I41
2021-02-23 11:27:55 C 12 07 43.24 -13 27 43.1 V T08
2021-02-23 11:39:05 C 12 07 42.66 -13 27 44.4 V T08
2021-02-23 11:54:29 C 12 07 41.88 -13 27 46.5 V T08
2021-02-23 12:00:28 C 12 07 41.56 -13 27 46.7 V T08
2021-02-24 09:00:49 C 12 06 37.67 -13 29 57.6 U I41
2021-02-24 10:05:50 C 12 06 34.24 -13 30 04.0 U I41
2021-02-24 10:32:31 C 12 06 32.84 -13 30 06.7 U I41
2021-02-25 07:05:57 C 12 05 29.21 -13 32 03.3 V 703
2021-02-25 07:14:06 C 12 05 28.79 -13 32 03.5 V 703
2021-02-25 07:22:15 C 12 05 28.29 -13 32 04.5 V 703
2021-02-25 07:30:23 C 12 05 27.93 -13 32 04.5 V 703
2021-02-25 11:33:07 C 12 05 15.17 -13 32 25.9 V T05
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)