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
2021-04-08 09:47:12 C 11 06 12.22 -12 02 42.4 V T08
2021-04-08 09:54:33 C 11 06 11.87 -12 02 40.8 V T08
2021-04-09 08:55:18 C 11 05 07.166 -11 58 04.92 U F51
2021-04-09 09:13:16 C 11 05 06.308 -11 58 01.31 U F51
2021-04-09 09:31:12 C 11 05 05.453 -11 57 57.70 U F51
2021-04-09 09:49:10 C 11 05 04.595 -11 57 54.07 U F51
2021-04-10 05:53:05 C 11 04 09.61 -11 53 53.7 V G96
2021-04-10 05:59:25 C 11 04 09.30 -11 53 52.6 V 703
2021-04-10 06:07:19 C 11 04 08.91 -11 53 51.4 V 703
2021-04-10 06:07:50 C 11 04 08.89 -11 53 51.0 V G96
2021-04-10 06:15:12 C 11 04 08.56 -11 53 49.5 V G96
2021-04-10 06:15:13 C 11 04 08.57 -11 53 49.7 V 703
2021-04-10 06:23:06 C 11 04 08.19 -11 53 48.2 V 703
2021-04-10 07:39:52 C 11 04 04.63 -11 53 32.6 Z U76
2021-04-10 07:58:14 C 11 04 03.84 -11 53 28.9 Z U76
2021-04-10 08:21:09 C 11 04 02.75 -11 53 24.8 Z U76
2021-04-12 06:02:26 C 11 02 02.76 -11 44 16.4 V U52
2021-04-12 06:26:11 C 11 02 01.71 -11 44 12.0 V U52
2021-04-12 06:49:55 C 11 02 00.62 -11 44 07.3 V U52
2021-04-13 05:54:19 C 11 01 02.71 -11 39 31.7 V U52
2021-04-13 06:15:45 C 11 01 01.75 -11 39 27.2 V U52
2021-04-13 06:37:11 C 11 01 00.88 -11 39 22.5 V U52
2021-04-13 07:41:20 C 11 00 58.325 -11 39 08.53 U F51
2021-04-13 07:58:02 C 11 00 57.611 -11 39 05.25 U F51
2021-04-13 08:14:46 C 11 00 56.898 -11 39 01.90 U F51
2021-04-13 08:31:27 C 11 00 56.188 -11 38 58.54 U F51
2021-04-18 04:34:06 C 10 56 33.09 -11 16 22.7 U I41
2021-04-18 05:34:46 C 10 56 30.92 -11 16 11.2 U I41
2021-04-18 08:21:15 C 10 56 25.19 -11 15 38.6 V T05
2021-04-18 08:25:53 C 10 56 25.03 -11 15 37.8 V T05
2021-04-18 08:35:08 C 10 56 24.70 -11 15 35.8 V T05
2021-04-18 09:21:54 C 10 56 23.04 -11 15 27.0 V T05
2021-04-20 04:04:21 C 10 54 58.99 -11 07 28.9 U I41
2021-04-20 05:04:17 C 10 54 57.01 -11 07 18.0 U I41
2021-04-20 08:15:56 C 10 54 50.93 -11 06 41.7 V T08
2021-04-20 08:17:56 C 10 54 50.88 -11 06 41.4 V T08
2021-04-20 08:20:35 C 10 54 50.77 -11 06 40.9 V T08
2021-04-20 08:22:34 C 10 54 50.70 -11 06 40.3 V T08
2021-04-20 08:33:50 C 10 54 50.34 -11 06 38.3 V T08
2021-04-20 08:35:10 C 10 54 50.30 -11 06 38.2 V T08
2021-04-20 08:44:27 C 10 54 49.99 -11 06 36.2 V T08
2021-04-20 08:48:27 C 10 54 49.88 -11 06 35.3 V T08
2021-04-20 20:11:27 C 10 54 28.82 -11 04 32.4 V 108
2021-04-20 20:27:03 C 10 54 28.32 -11 04 29.4 V 108
2021-04-27 10:02:29 C 10 50 22.37 -10 37 37.2 V T08
2021-04-27 10:07:47 C 10 50 22.25 -10 37 36.4 V T08
2021-04-27 10:17:47 C 10 50 21.99 -10 37 34.5 V T08
2021-04-27 10:32:25 C 10 50 21.66 -10 37 32.9 V T08
2021-04-28 08:54:17 C 10 49 53.95 -10 34 03.7 V T08
2021-04-28 08:59:01 C 10 49 53.93 -10 34 03.2 V T08
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)