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
2018-02-25 09:10:38 S 05 44 16.98 +44 05 31.2 L C51
2018-02-25 10:44:53 S 05 44 24.31 +44 04 06.6 L C51
2018-02-25 12:19:08 S 05 44 31.63 +44 02 42.6 L C51
2018-02-25 13:53:23 S 05 44 38.90 +44 01 17.6 L C51
2018-02-25 15:27:38 S 05 44 46.20 +43 59 53.1 L C51
2018-02-25 17:01:53 S 05 44 53.45 +43 58 29.3 L C51
2018-02-25 18:36:08 S 05 45 00.83 +43 57 03.9 L C51
2018-02-25 21:44:39 S 05 45 15.40 +43 54 15.5 L C51
2018-02-26 00:53:09 S 05 45 30.03 +43 51 27.5 L C51
2018-02-26 04:01:39 S 05 45 44.64 +43 48 39.9 L C51
2018-02-26 07:09:58 S 05 45 59.22 +43 45 52.2 L C51
2018-02-26 07:10:09 S 05 45 59.23 +43 45 52.1 L C51
2018-03-03 16:31:48 C 05 55 58.38 +41 55 26.5 q C97
2018-03-03 16:34:15 C 05 55 58.56 +41 55 24.5 q C97
2018-03-03 16:36:39 C 05 55 58.70 +41 55 22.7 q C97
2018-03-03 16:38:53 C 05 55 58.90 +41 55 20.8 q C97
2018-03-03 16:41:07 C 05 55 59.05 +41 55 19.0 q C97
2018-03-04 02:49:05 C 05 56 45.81 +41 46 59.0 q W33
2018-03-04 03:05:13 C 05 56 47.05 +41 46 45.8 q W33
2018-03-04 03:23:03 C 05 56 48.31 +41 46 31.5 q W33
2018-03-05 03:54:19 C 05 58 41.70 +41 26 39.7 U I41
2018-03-05 03:55:45 C 05 58 41.81 +41 26 38.5 U I41
2018-03-05 04:08:49 C 05 58 42.78 +41 26 27.9 U I41
2018-03-05 04:11:40 C 05 58 43.01 +41 26 25.5 U I41
2018-03-06 03:03:31 C 06 00 28.39 +41 08 10.0 U 703
2018-03-06 03:11:13 C 06 00 29.01 +41 08 04.1 U 703
2018-03-06 03:23:55 C 06 00 30.07 +41 07 53.4 U I41
2018-03-06 03:25:20 C 06 00 30.19 +41 07 52.0 U I41
2018-03-06 03:26:38 C 06 00 30.03 +41 07 51.2 U 703
2018-03-06 03:40:00 C 06 00 31.26 +41 07 40.5 U I41
2018-03-06 03:43:32 C 06 00 31.54 +41 07 37.7 U I41
2018-03-06 04:15:42 C 06 00 33.94 +41 07 11.8 U I41
2018-03-07 22:05:45 C 06 03 46.47 +40 34 21.7 U Z80
2018-03-07 22:11:00 C 06 03 46.74 +40 34 18.5 U Z80
2018-03-07 22:16:14 C 06 03 47.25 +40 34 14.1 U Z80
2018-03-07 22:21:28 C 06 03 47.56 +40 34 08.9 U Z80
2018-03-09 02:34:22 C 06 05 57.55 +40 12 31.5 U G96
2018-03-09 02:42:20 C 06 05 58.15 +40 12 25.4 U G96
2018-03-09 02:50:09 C 06 05 58.73 +40 12 19.5 U G96
2018-03-09 02:57:55 C 06 05 59.31 +40 12 13.6 U G96
2018-03-09 17:23:28 C 06 07 05.34 +40 01 16.9 q C97
2018-03-09 17:30:52 C 06 07 05.95 +40 01 10.9 q C97
2018-03-09 17:36:11 C 06 07 06.24 +40 01 07.8 q C97
2018-03-10 04:13:40 C 06 07 55.17 +39 53 05.6 U 703
2018-03-10 04:21:24 C 06 07 55.77 +39 52 59.8 U 703
2018-03-10 04:36:51 C 06 07 56.91 +39 52 48.0 U 703
2018-03-17 06:46:54 C 06 20 56.08 +37 50 30.9 U T05
2018-03-17 07:02:44 C 06 20 57.25 +37 50 19.9 U T05
2018-03-17 07:11:49 C 06 20 57.94 +37 50 13.8 U T05
2018-03-19 16:50:00 C 06 25 21.10 +37 11 08.2 q C97
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)