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
2017-09-01 05:53:07 C 21 01 08.08 +00 00 24.5 q V83
2017-09-01 05:57:13 C 21 01 06.32 +00 01 58.6 q V83
2017-09-01 06:00:44 C 21 01 08.45 +00 03 32.4 q U82
2017-09-01 06:01:35 C 21 01 04.42 +00 03 39.3 q V83
2017-09-01 06:12:21 C 21 00 59.78 +00 07 46.5 q V83
2017-09-01 06:21:48 C 21 00 55.71 +00 11 23.6 q V83
2017-09-01 06:28:34 C 21 00 55.75 +00 13 54.4 9.0 r 718
2017-09-01 06:29:34 C 21 00 55.30 +00 14 17.6 8.9 r 718
2017-09-01 06:31:34 C 21 00 54.44 +00 15 03.6 9.1 r 718
2017-09-01 06:32:34 C 21 00 54.01 +00 15 26.4 8.9 r 718
2017-09-01 06:40:52 C 21 00 47.56 +00 18 41.4 q V83
2017-09-01 06:51:52 C 21 00 42.84 +00 22 53.8 q V83
2017-09-01 07:00:38 C 21 00 42.39 +00 26 26.8 q U82
2017-09-01 07:03:19 C 21 00 37.97 +00 27 16.8 q V83
2017-09-01 07:13:28 C 21 00 33.66 +00 31 09.8 q V83
2017-09-01 08:01:48 C 21 00 15.92 +00 49 51.7 q U82
2017-09-01 12:11:20 C 20 58 43.85 +02 28 47.0 v Q62
2017-09-01 12:12:35 C 20 58 43.31 +02 29 15.3 v Q62
2017-09-01 12:13:48 C 20 58 42.76 +02 29 44.0 v Q62
2017-09-01 12:34:35 C 20 58 33.67 +02 37 41.9 v Q62
2017-09-01 12:35:48 C 20 58 33.13 +02 38 10.1 v Q62
2017-09-01 12:37:03 C 20 58 32.59 +02 38 38.5 v Q62
2017-09-01 17:12:55 C 20 56 47.24 +04 19 58.3 q 168
2017-09-01 17:15:21 C 20 56 46.20 +04 20 53.4 q 168
2017-09-01 17:22:55 C 20 56 43.03 +04 23 47.3 q 168
2017-09-01 17:29:21 C 20 56 40.32 +04 26 15.2 q 168
2017-09-01 17:39:21 C 20 56 36.09 +04 30 04.2 q 168
2017-09-01 17:51:21 C 20 56 31.04 +04 34 39.5 q 168
2017-09-01 17:54:55 C 20 56 29.57 +04 36 00.7 q 168
2017-09-01 18:02:55 C 20 56 26.20 +04 39 04.8 q 168
2017-09-01 18:06:55 C 20 56 24.51 +04 40 36.8 q 168
2017-09-01 18:09:21 C 20 56 23.48 +04 41 32.4 q 168
2017-09-01 18:12:55 C 20 56 21.99 +04 42 54.2 q 168
2017-09-01 18:16:56 C 20 56 20.30 +04 44 26.5 q 168
2017-09-01 18:19:22 C 20 56 19.25 +04 45 21.6 q 168
2017-09-01 18:36:55 C 20 56 11.86 +04 52 04.5 q 168
2017-09-01 18:37:48 C 20 56 18.31 +04 52 57.6 q A81
2017-09-01 18:40:16 C 20 56 17.26 +04 53 54.3 q A81
2017-09-01 18:42:44 C 20 56 16.22 +04 54 51.2 q A81
2017-09-01 18:43:20 C 20 56 16.00 +04 54 59.5 10.0 t K63
2017-09-01 18:45:12 C 20 56 15.18 +04 55 48.0 q A81
2017-09-01 18:46:55 C 20 56 07.63 +04 55 54.1 q 168
2017-09-01 19:17:30 C 20 56 01.63 +05 08 04.0 9.9 t K63
2017-09-01 19:37:31 C 20 55 53.06 +05 15 43.8 q 160
2017-09-01 19:38:29 C 20 55 53.98 +05 16 14.9 S K14
2017-09-01 19:41:12 C 20 55 52.84 +05 17 16.9 S K14
2017-09-01 19:44:03 C 20 55 51.61 +05 18 22.3 S K14
2017-09-01 19:46:54 C 20 55 50.40 +05 19 27.7 S K14
2017-09-01 19:49:43 C 20 55 49.19 +05 20 32.7 S K14
2017-09-01 19:52:33 C 20 55 47.97 +05 21 37.8 S K14
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)