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
2017-11-06 18:26:27 C 16 49 09.15 +79 39 16.0 t K05
2017-11-06 18:31:45 C 16 49 09.36 +79 39 18.6 t K05
2017-11-06 18:37:03 C 16 49 09.58 +79 39 21.2 t K05
2017-11-06 18:42:21 C 16 49 09.77 +79 39 23.9 t K05
2017-11-06 18:47:40 C 16 49 10.03 +79 39 26.4 t K05
2017-11-06 18:52:58 C 16 49 10.26 +79 39 29.0 t K05
2017-11-06 18:55:44 C 16 49 10.33 +79 39 31.0 U Z80
2017-11-06 18:57:29 C 16 49 10.44 +79 39 31.8 U Z80
2017-11-06 18:59:13 C 16 49 10.51 +79 39 32.5 U Z80
2017-11-06 19:00:58 C 16 49 10.58 +79 39 33.4 U Z80
2017-11-06 19:02:42 C 16 49 10.62 +79 39 34.1 U Z80
2017-11-06 19:04:28 C 16 49 10.71 +79 39 35.0 U Z80
2017-11-06 19:06:11 C 16 49 10.81 +79 39 36.0 U Z80
2017-11-06 19:07:57 C 16 49 10.86 +79 39 36.7 U Z80
2017-11-06 19:09:42 C 16 49 11.00 +79 39 37.7 U Z80
2017-11-07 01:59:41 C 16 49 29.34 +79 43 25.4 q V16
2017-11-07 02:25:08 C 16 49 30.51 +79 43 37.4 q V16
2017-11-07 03:20:13 C 16 49 33.23 +79 44 03.6 q V16
2017-11-07 20:07:09 C 16 50 28.59 +79 53 23.2 q 987
2017-11-07 20:14:32 C 16 50 29.00 +79 53 27.0 q 987
2017-11-07 20:32:57 C 16 50 30.07 +79 53 36.4 q 987
2017-11-07 20:38:45 C 16 50 30.40 +79 53 39.3 q 987
2017-11-07 21:06:04 C 16 50 32.05 +79 53 53.3 q 987
2017-11-07 21:41:43 C 16 50 34.31 +79 54 11.7 q 987
2017-11-07 22:24:29 C 16 50 35.79 +79 54 32.7 q Z38
2017-11-07 23:31:56 C 16 50 40.81 +79 55 07.0 q Z38
2017-11-08 00:14:36 C 16 50 42.26 +79 55 49.6 P V78
2017-11-08 00:25:38 C 16 50 42.62 +79 55 55.4 P V78
2017-11-08 00:41:29 C 16 50 43.49 +79 56 03.3 P V78
2017-11-09 22:57:50 C 16 53 43.41 +80 22 43.4 q Z38
2017-11-10 01:00:37 C 16 53 55.41 +80 23 51.9 q Z38
2017-11-12 01:32:00 C 16 57 51.86 +80 54 05.4 m W78
2017-11-12 01:43:27 C 16 57 53.10 +80 54 12.1 m W78
2017-11-12 01:54:38 C 16 57 54.20 +80 54 18.9 m W78
2017-11-12 02:05:16 C 16 57 55.01 +80 54 30.5 P V78
2017-11-12 02:21:59 C 16 57 56.61 +80 54 40.0 P V78
2017-11-12 02:38:30 C 16 57 58.14 +80 54 49.5 P V78
2017-11-13 00:39:05 C 17 00 07.00 +81 09 06.7 m W78
2017-11-13 00:40:11 C 17 00 07.25 +81 09 06.4 m W78
2017-11-13 00:41:12 C 17 00 07.29 +81 09 07.1 m W78
2017-11-13 00:42:14 C 17 00 07.45 +81 09 07.7 m W78
2017-11-13 00:44:42 C 17 00 07.58 +81 09 09.5 m W78
2017-11-15 06:11:24 C 17 06 20.05 +81 45 20.7 U T05
2017-11-15 06:24:19 C 17 06 21.76 +81 45 28.7 U T05
2017-11-15 06:37:12 C 17 06 23.52 +81 45 36.7 U T05
2017-11-18 20:35:30 C 17 20 16.68 +82 48 27.4 q Z38
2017-11-18 20:50:32 C 17 20 19.87 +82 48 39.1 q Z38
2017-11-20 00:21:40 C 17 26 06.49 +83 10 01.0 P V78
2017-11-20 00:49:01 C 17 26 12.39 +83 10 20.4 P V78
2017-11-20 01:07:38 C 17 26 16.41 +83 10 34.2 P V78
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)