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
2017-09-02 00:52:16 C 20 53 52.88 +07 17 41.8 H78
2017-09-02 00:53:00 C 20 53 52.58 +07 17 58.2 H78
2017-09-02 00:53:43 C 20 53 52.23 +07 18 15.0 H78
2017-09-02 00:54:05 C 20 53 52.08 +07 18 23.1 H78
2017-09-02 00:55:40 C 20 53 51.38 +07 18 59.3 H78
2017-09-02 00:56:46 C 20 53 50.89 +07 19 24.4 H78
2017-09-02 00:58:21 C 20 53 50.21 +07 20 00.8 H78
2017-09-02 00:58:43 C 20 53 50.07 +07 20 09.1 H78
2017-09-02 00:59:27 C 20 53 49.75 +07 20 25.8 H78
2017-09-02 01:00:10 C 20 53 49.41 +07 20 42.3 H78
2017-09-02 01:00:33 C 20 53 49.26 +07 20 50.8 H78
2017-09-02 01:01:17 C 20 53 48.93 +07 21 07.8 H78
2017-09-02 01:02:00 C 20 53 48.63 +07 21 23.9 H78
2017-09-02 01:02:55 C 20 53 45.85 +07 19 34.1 U G30
2017-09-02 01:03:06 C 20 53 48.14 +07 21 49.1 H78
2017-09-02 01:04:12 C 20 53 47.66 +07 22 14.3 H78
2017-09-02 01:04:56 C 20 53 47.35 +07 22 30.8 H78
2017-09-02 01:05:39 C 20 53 47.01 +07 22 47.4 H78
2017-09-02 01:06:02 C 20 53 46.85 +07 22 55.9 H78
2017-09-02 01:06:46 C 20 53 46.54 +07 23 12.7 H78
2017-09-02 01:08:06 C 20 53 45.95 +07 23 43.5 H78
2017-09-02 01:08:35 C 20 53 45.76 +07 23 54.4 H78
2017-09-02 01:09:04 C 20 53 43.27 +07 21 54.9 U G30
2017-09-02 01:09:27 C 20 53 45.35 +07 24 14.0 H78
2017-09-02 01:11:16 C 20 53 44.55 +07 24 55.8 H78
2017-09-02 01:11:59 C 20 53 44.25 +07 25 12.4 H78
2017-09-02 01:12:22 C 20 53 44.10 +07 25 21.0 H78
2017-09-02 01:13:49 C 20 53 43.44 +07 25 54.0 H78
2017-09-02 01:16:29 C 20 53 42.25 +07 26 54.8 H78
2017-09-02 01:17:13 C 20 53 41.95 +07 27 11.1 H78
2017-09-02 01:17:57 C 20 53 41.63 +07 27 28.0 H78
2017-09-02 01:20:12 C 20 53 40.62 +07 28 19.8 H78
2017-09-02 01:20:56 C 20 53 40.30 +07 28 36.3 H78
2017-09-02 01:21:19 C 20 53 40.16 +07 28 44.7 H78
2017-09-02 01:22:46 C 20 53 39.50 +07 29 18.0 H78
2017-09-02 01:23:07 C 20 53 39.33 +07 29 26.5 H78
2017-09-02 01:23:51 C 20 53 39.01 +07 29 43.2 H78
2017-09-02 01:24:35 C 20 53 38.70 +07 29 59.9 H78
2017-09-02 01:25:34 C 20 53 38.25 +07 30 22.3 H78
2017-09-02 01:26:32 C 20 53 37.87 +07 30 44.6 H78
2017-09-02 01:27:39 C 20 53 37.35 +07 31 09.4 H78
2017-09-02 01:28:22 C 20 53 37.03 +07 31 25.9 H78
2017-09-02 01:29:28 C 20 53 36.54 +07 31 51.4 H78
2017-09-02 01:30:56 C 20 53 35.90 +07 32 24.4 H78
2017-09-02 01:31:18 C 20 53 35.76 +07 32 33.1 H78
2017-09-02 01:32:45 C 20 53 35.10 +07 33 06.4 H78
2017-09-02 01:33:07 C 20 53 34.94 +07 33 14.3 H78
2017-09-02 01:34:13 C 20 53 34.44 +07 33 39.2 H78
2017-09-02 01:34:42 C 20 53 31.19 +07 35 28.6 U X14
2017-09-02 01:35:03 C 20 53 34.09 +07 33 58.5 H78
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)