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 01:35:25 C 20 53 33.92 +07 34 07.1 H78
2017-09-02 01:36:09 C 20 53 33.59 +07 34 23.5 H78
2017-09-02 01:37:44 C 20 53 32.89 +07 34 59.8 H78
2017-09-02 01:40:09 C 20 53 33.98 +07 34 17.8 h H32
2017-09-02 01:41:21 C 20 53 28.23 +07 37 58.5 U X14
2017-09-02 01:51:16 C 20 53 23.86 +07 41 44.2 U X14
2017-09-02 01:54:42 C 20 53 22.43 +07 43 04.4 U X14
2017-09-02 02:29:40 n 20 53 10.87 +07 52 37.9 q W08
2017-09-02 02:29:42 n 20 53 10.86 +07 52 37.9 q W08
2017-09-02 02:29:44 n 20 53 10.84 +07 52 39.0 q W08
2017-09-02 02:29:46 n 20 53 10.82 +07 52 40.2 q W08
2017-09-02 02:47:10 C 20 53 05.12 +07 59 45.1 h H32
2017-09-02 03:01:22 n 20 52 57.20 +08 04 38.5 q W08
2017-09-02 03:01:24 n 20 52 57.18 +08 04 39.0 q W08
2017-09-02 03:01:26 n 20 52 57.17 +08 04 40.3 q W08
2017-09-02 03:01:28 n 20 52 57.14 +08 04 41.6 q W08
2017-09-02 03:13:24 C 20 52 56.86 +08 09 28.0 t U78
2017-09-02 03:15:27 C 20 52 56.07 +08 10 13.8 t U78
2017-09-02 03:17:29 C 20 52 55.11 +08 11 03.5 t U78
2017-09-02 03:19:31 C 20 52 54.24 +08 11 48.8 t U78
2017-09-02 03:21:35 C 20 52 53.42 +08 12 34.5 t U78
2017-09-02 03:23:38 C 20 52 52.44 +08 13 22.4 t U78
2017-09-02 03:25:42 C 20 52 51.54 +08 14 08.9 t U78
2017-09-02 03:27:44 C 20 52 50.72 +08 14 54.9 t U78
2017-09-02 03:29:46 C 20 52 49.90 +08 15 41.4 t U78
2017-09-02 03:31:52 C 20 52 48.95 +08 16 29.2 t U78
2017-09-02 03:46:04 n 20 52 37.87 +08 21 33.9 q W08
2017-09-02 03:46:06 n 20 52 37.85 +08 21 34.7 q W08
2017-09-02 03:46:08 n 20 52 37.84 +08 21 35.8 q W08
2017-09-02 03:46:10 n 20 52 37.81 +08 21 37.1 q W08
2017-09-02 04:28:04 C 20 52 16.69 +08 39 17.8 q W63
2017-09-02 04:33:19 C 20 52 14.39 +08 41 16.6 q W63
2017-09-02 04:33:35 C 20 52 14.24 +08 41 22.6 q W63
2017-09-02 04:37:00 C 20 52 12.72 +08 42 40.2 q W63
2017-09-02 04:53:16 C 20 52 05.53 +08 48 47.7 q W63
2017-09-02 04:56:09 C 20 52 04.30 +08 49 52.5 q W63
2017-09-02 05:26:23 C 20 51 51.01 +09 01 15.5 q W63
2017-09-02 05:31:22 C 20 51 48.78 +09 03 08.0 q W63
2017-09-02 05:34:14 C 20 51 47.52 +09 04 12.0 q W63
2017-09-02 05:37:24 C 20 51 46.17 +09 05 23.9 q W63
2017-09-02 05:40:48 C 20 51 44.69 +09 06 40.2 q W63
2017-09-02 05:43:40 C 20 51 43.43 +09 07 44.7 q W63
2017-09-02 05:46:33 C 20 51 42.18 +09 08 49.8 q W63
2017-09-02 05:49:39 C 20 51 40.82 +09 09 59.9 q W63
2017-09-02 05:52:33 C 20 51 39.58 +09 11 04.9 q W63
2017-09-02 05:55:25 C 20 51 38.33 +09 12 09.8 q W63
2017-09-02 06:00:07 C 20 51 36.31 +09 13 55.6 q W63
2017-09-02 06:03:00 C 20 51 35.02 +09 15 00.9 q W63
2017-09-02 06:05:37 C 20 51 33.91 +09 15 59.6 q W63
2017-09-02 06:08:29 C 20 51 32.66 +09 17 03.8 q W63
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)