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
2018-02-07 03:10:29 C 05 09 57.22 +51 39 31.2 U G96
2018-02-07 03:18:29 C 05 09 57.84 +51 39 21.7 U G96
2018-02-07 03:26:32 C 05 09 58.45 +51 39 12.3 U G96
2018-02-07 03:34:32 C 05 09 59.06 +51 39 02.7 U G96
2018-02-09 18:21:48 C 05 14 58.22 +50 26 03.5 U Z52
2018-02-09 19:40:58 C 05 15 04.28 +50 24 33.6 U Z52
2018-02-09 20:55:44 C 05 15 10.01 +50 23 08.5 U Z52
2018-02-11 10:28:51 C 05 18 07.29 +49 40 56.5 U T05
2018-02-11 10:44:23 C 05 18 08.50 +49 40 38.8 U T05
2018-02-11 11:04:19 C 05 18 10.04 +49 40 16.2 U T05
2018-02-13 15:56:28 C 05 22 20.50 +48 42 33.5 q C97
2018-02-13 15:58:30 C 05 22 20.66 +48 42 31.2 q C97
2018-02-13 16:00:25 C 05 22 20.80 +48 42 29.2 q C97
2018-02-13 16:02:21 C 05 22 20.94 +48 42 27.2 q C97
2018-02-13 16:04:23 C 05 22 21.12 +48 42 24.8 q C97
2018-02-13 18:33:10 C 05 22 32.91 +48 39 41.1 U K74
2018-02-13 18:37:03 C 05 22 33.20 +48 39 37.0 U K74
2018-02-13 18:40:54 C 05 22 33.49 +48 39 32.7 U K74
2018-02-14 18:12:46 C 05 24 24.36 +48 14 28.5 U G34
2018-02-14 18:17:56 C 05 24 24.79 +48 14 23.3 U G34
2018-02-14 18:23:08 C 05 24 25.12 +48 14 17.7 U G34
2018-02-14 18:28:21 C 05 24 25.54 +48 14 12.5 U G34
2018-02-17 17:25:10 C 05 29 58.51 +47 00 56.4 q C97
2018-02-17 17:27:04 C 05 29 58.62 +47 00 52.8 q C97
2018-02-17 17:28:57 C 05 29 58.70 +47 00 51.4 q C97
2018-02-20 14:31:35 S 05 35 22.36 +45 52 31.8 L C51
2018-02-20 14:31:46 S 05 35 22.36 +45 52 31.6 L C51
2018-02-20 15:34:30 C 05 35 27.20 +45 51 34.5 q C97
2018-02-20 15:36:43 C 05 35 27.36 +45 51 32.5 q C97
2018-02-20 15:38:57 C 05 35 27.49 +45 51 30.7 q C97
2018-02-20 15:41:11 C 05 35 27.72 +45 51 27.9 q C97
2018-02-20 15:43:25 C 05 35 27.89 +45 51 25.9 q C97
2018-02-20 17:40:05 S 05 35 37.02 +45 49 29.8 L C51
2018-02-20 23:57:05 S 05 36 06.42 +45 43 26.1 L C51
2018-02-21 04:39:50 S 05 36 28.40 +45 38 54.5 L C51
2018-02-21 06:14:05 S 05 36 35.82 +45 37 24.3 L C51
2018-02-21 07:48:20 S 05 36 43.09 +45 35 53.9 L C51
2018-02-21 09:11:51 C 05 36 48.99 +45 34 36.1 U T08
2018-02-21 09:22:36 S 05 36 50.45 +45 34 24.1 L C51
2018-02-21 09:28:49 C 05 36 50.27 +45 34 19.6 U T08
2018-02-21 09:48:28 C 05 36 51.78 +45 34 00.7 U T08
2018-02-21 10:56:51 S 05 36 57.77 +45 32 53.9 L C51
2018-02-21 12:31:06 S 05 37 05.09 +45 31 23.9 L C51
2018-02-21 14:05:21 S 05 37 12.43 +45 29 53.7 L C51
2018-02-21 17:13:51 S 05 37 27.13 +45 26 53.4 L C51
2018-02-21 20:22:21 S 05 37 41.78 +45 23 55.4 L C51
2018-02-21 23:30:52 S 05 37 56.45 +45 20 56.6 L C51
2018-02-24 18:40:13 C 05 43 09.53 +44 18 37.9 U Z52
2018-02-24 20:19:42 C 05 43 17.07 +44 17 07.5 U Z52
2018-02-24 21:54:31 C 05 43 24.25 +44 15 41.0 U Z52
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)