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
2018-01-17 23:23:34 C 04 29 43.13 +62 35 35.8 d Z35
2018-01-17 23:39:15 C 04 29 44.35 +62 35 12.0 d Z35
2018-01-19 18:17:14 C 04 33 30.60 +61 31 03.8 U K74
2018-01-19 18:21:11 C 04 33 30.94 +61 30 57.6 U K74
2018-01-19 18:26:49 C 04 33 31.56 +61 30 48.3 U Z52
2018-01-19 18:29:09 C 04 33 31.59 +61 30 46.0 U K74
2018-01-19 19:33:03 C 04 33 37.09 +61 29 10.3 U Z52
2018-01-19 20:41:09 C 04 33 42.71 +61 27 29.0 U Z52
2018-01-19 21:43:36 C 04 33 47.89 +61 25 55.7 U Z52
2018-01-20 05:16:35 C 04 34 26.88 +61 14 42.2 P V78
2018-01-20 05:44:51 C 04 34 29.24 +61 14 00.0 P V78
2018-01-20 06:16:25 C 04 34 31.91 +61 13 12.5 P V78
2018-01-20 09:06:56 C 04 34 46.75 +61 09 04.8 U T08
2018-01-20 09:09:34 C 04 34 46.97 +61 09 00.9 U T08
2018-01-20 09:30:24 C 04 34 48.66 +61 08 29.5 U T08
2018-01-20 09:36:21 C 04 34 49.16 +61 08 20.5 U T08
2018-01-24 09:31:14 C 04 43 01.31 +58 49 04.3 U T08
2018-01-24 09:54:45 C 04 43 03.23 +58 48 30.0 U T08
2018-01-24 09:59:22 C 04 43 03.59 +58 48 23.4 U T08
2018-01-24 10:19:34 C 04 43 05.22 +58 47 54.2 U T08
2018-01-29 18:52:24 C 04 53 47.76 +55 51 06.5 U Z52
2018-01-29 19:58:51 C 04 53 53.00 +55 49 38.5 U Z52
2018-01-29 21:14:30 C 04 53 58.95 +55 47 58.0 U Z52
2018-01-30 00:58:03 C 04 54 17.65 +55 43 05.0 P V78
2018-01-30 01:31:02 C 04 54 20.35 +55 42 20.1 P V78
2018-01-30 01:51:30 C 04 54 22.12 +55 41 53.0 P V78
2018-01-30 09:29:08 C 04 54 58.51 +55 31 49.7 U T05
2018-01-30 09:31:07 C 04 54 58.68 +55 31 47.1 U T05
2018-01-30 09:38:20 C 04 54 59.23 +55 31 37.4 U T05
2018-01-30 19:03:05 C 04 55 46.31 +55 19 12.1 U K74
2018-01-30 19:08:46 C 04 55 46.74 +55 19 04.6 U K74
2018-01-30 19:17:30 C 04 55 47.40 +55 18 53.0 U K74
2018-01-30 19:35:55 C 04 55 48.87 +55 18 29.0 U K74
2018-02-01 20:56:44 C 04 59 48.92 +54 14 39.1 o C41
2018-02-01 21:12:18 C 04 59 50.10 +54 14 18.7 o C41
2018-02-03 08:59:09 C 05 02 43.54 +53 29 13.9 U T05
2018-02-03 08:59:48 C 05 02 43.56 +53 29 13.4 U T05
2018-02-03 09:07:07 C 05 02 44.13 +53 29 04.3 U T05
2018-02-03 09:08:34 C 05 02 44.24 +53 29 02.4 U T05
2018-02-03 09:32:55 C 05 02 46.12 +53 28 31.5 U T05
2018-02-03 09:36:13 C 05 02 46.36 +53 28 27.5 U T05
2018-02-03 09:51:55 C 05 02 47.58 +53 28 07.4 U T05
2018-02-03 09:52:35 C 05 02 47.63 +53 28 06.4 U T05
2018-02-03 10:03:06 C 05 02 48.42 +53 27 53.2 U T05
2018-02-03 10:16:43 C 05 02 49.51 +53 27 35.9 U T05
2018-02-03 10:34:29 C 05 02 50.91 +53 27 13.2 U T05
2018-02-05 08:37:06 C 05 06 32.92 +52 30 34.3 U T08
2018-02-05 08:52:00 C 05 06 34.05 +52 30 16.2 U T08
2018-02-05 09:01:14 C 05 06 34.78 +52 30 04.5 U T08
2018-02-05 09:17:28 C 05 06 36.01 +52 29 44.5 U 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)