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
2017-12-02 07:42:48 C 20 27 02.90 +86 52 12.6 m W78
2017-12-02 07:44:21 C 20 27 05.05 +86 52 13.3 m W78
2017-12-02 07:45:52 C 20 27 07.48 +86 52 13.9 m W78
2017-12-02 07:47:24 C 20 27 09.52 +86 52 14.6 m W78
2017-12-02 07:48:57 C 20 27 11.81 +86 52 15.2 m W78
2017-12-02 07:50:28 C 20 27 13.80 +86 52 15.9 m W78
2017-12-05 22:55:35 C 22 45 25.11 +87 01 49.8 o Z22
2017-12-05 22:57:25 C 22 45 28.00 +87 01 49.2 o Z22
2017-12-05 22:59:05 C 22 45 30.66 +87 01 48.9 o Z22
2017-12-05 23:00:50 C 22 45 33.84 +87 01 48.2 o Z22
2017-12-05 23:12:06 C 22 45 51.65 +87 01 44.6 o Z22
2017-12-05 23:13:52 C 22 45 54.68 +87 01 43.9 o Z22
2017-12-09 00:34:11 C 00 29 50.52 +86 20 18.3 U Z80
2017-12-09 00:36:26 C 00 29 52.87 +86 20 16.4 U Z80
2017-12-09 00:38:41 C 00 29 56.02 +86 20 14.9 U Z80
2017-12-09 00:40:56 C 00 29 57.73 +86 20 12.0 U Z80
2017-12-09 00:43:11 C 00 29 59.66 +86 20 11.0 U Z80
2017-12-09 00:45:26 C 00 30 04.14 +86 20 08.8 U Z80
2017-12-09 00:47:41 C 00 30 05.66 +86 20 07.0 U Z80
2017-12-09 00:49:56 C 00 30 08.24 +86 20 04.9 U Z80
2017-12-09 00:52:12 C 00 30 10.54 +86 20 03.3 U Z80
2017-12-09 00:54:26 C 00 30 14.38 +86 20 01.6 U Z80
2017-12-12 22:06:52 C 01 49 58.57 +84 44 18.3 d Z35
2017-12-12 22:24:08 C 01 50 08.39 +84 43 57.5 d Z35
2017-12-13 19:53:15 C 02 02 36.67 +84 17 47.9 d Z35
2017-12-13 20:14:10 C 02 02 47.08 +84 17 20.9 d Z35
2017-12-13 20:35:00 C 02 02 57.42 +84 16 55.2 d Z35
2017-12-17 20:03:16 C 02 42 42.17 +82 09 19.4 q K14
2017-12-17 20:09:46 C 02 42 44.13 +82 09 10.3 q K14
2017-12-17 20:16:20 C 02 42 46.09 +82 09 01.1 q K14
2017-12-17 20:22:53 C 02 42 48.04 +82 08 51.8 q K14
2017-12-17 20:29:24 C 02 42 49.97 +82 08 42.7 q K14
2017-12-22 04:06:42 C 03 10 03.27 +79 36 25.2 P V78
2017-12-22 04:12:12 C 03 10 04.32 +79 36 17.1 P V78
2017-12-22 04:20:16 C 03 10 05.90 +79 36 04.3 P V78
2017-12-25 05:48:33 C 03 24 17.70 +77 42 36.0 P V78
2017-12-25 05:54:14 C 03 24 18.76 +77 42 27.0 P V78
2017-12-25 06:03:10 C 03 24 20.24 +77 42 12.3 P V78
2017-12-25 09:26:02 C 03 24 55.38 +77 37 00.0 U T05
2017-12-25 09:48:55 C 03 24 58.97 +77 36 23.3 U T05
2017-12-25 09:50:13 C 03 24 59.15 +77 36 21.3 U T05
2017-12-25 10:04:18 C 03 25 01.39 +77 35 58.6 U T05
2017-12-26 06:42:00 C 03 28 32.987 +77 03 32.58 U F51
2017-12-26 07:01:48 C 03 28 35.913 +77 03 01.51 U F51
2017-12-26 07:06:55 C 03 28 33.47 +77 02 45.0 P V78
2017-12-26 07:15:35 C 03 28 34.88 +77 02 30.7 P V78
2017-12-26 07:21:38 C 03 28 38.775 +77 02 30.29 U F51
2017-12-26 07:23:30 C 03 28 36.16 +77 02 17.7 P V78
2017-12-26 07:41:29 C 03 28 41.655 +77 01 58.96 U F51
2017-12-26 23:32:43 C 03 31 17.02 +76 36 46.8 q W33
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)