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
2018-03-19 16:53:02 C 06 25 21.22 +37 11 06.4 q C97
2018-03-19 16:55:50 C 06 25 21.28 +37 11 03.8 q C97
2018-03-19 16:58:26 C 06 25 21.56 +37 11 02.7 q C97
2018-03-23 19:21:26 C 06 32 49.57 +36 06 43.1 q 160
2018-03-23 19:23:23 C 06 32 49.72 +36 06 42.0 q 160
2018-03-23 19:25:23 C 06 32 49.86 +36 06 40.8 q 160
2018-03-24 19:54:33 C 06 34 41.05 +35 51 06.7 Q 160
2018-03-24 19:56:44 C 06 34 41.18 +35 51 05.3 Q 160
2018-03-24 19:58:33 C 06 34 41.26 +35 51 04.0 Q 160
2018-03-25 20:06:53 C 06 36 30.89 +35 35 53.7 q 160
2018-03-25 20:08:53 C 06 36 31.08 +35 35 52.3 q 160
2018-03-25 20:10:53 C 06 36 31.18 +35 35 50.8 q 160
2018-03-30 07:42:47 C 06 44 37.77 +34 30 04.4 U T05
2018-03-30 07:51:26 C 06 44 38.42 +34 29 59.1 U T05
2018-03-30 08:00:35 C 06 44 39.11 +34 29 53.6 U T05
2018-03-30 08:10:29 C 06 44 39.84 +34 29 47.4 U T05
2018-04-10 02:56:31 C 07 04 01.36 +32 01 39.2 U 703
2018-04-10 03:05:14 C 07 04 01.95 +32 01 34.6 U 703
2018-04-10 03:13:56 C 07 04 02.60 +32 01 29.0 U 703
2018-04-10 03:22:39 C 07 04 03.16 +32 01 24.0 U 703
2018-04-13 03:02:53 C 07 09 22.45 +31 22 26.7 U 703
2018-04-13 03:11:05 C 07 09 23.13 +31 22 22.9 U 703
2018-04-13 03:19:16 C 07 09 23.73 +31 22 18.3 U 703
2018-04-13 03:27:28 C 07 09 24.34 +31 22 13.9 U 703
2018-04-16 03:05:29 C 07 14 42.42 +30 44 00.6 U 703
2018-04-16 03:13:40 C 07 14 43.06 +30 43 56.4 U 703
2018-04-16 03:21:52 C 07 14 43.60 +30 43 52.3 U 703
2018-04-19 19:09:06 C 07 21 12.17 +29 57 56.0 q 160
2018-04-19 19:12:30 C 07 21 12.38 +29 57 53.3 q 160
2018-04-19 19:15:55 C 07 21 12.58 +29 57 51.5 q 160
2018-04-26 03:46:57 C 07 32 23.34 +28 40 01.5 U 703
2018-04-26 03:55:13 C 07 32 23.89 +28 39 57.2 U 703
2018-04-26 04:03:30 C 07 32 24.49 +28 39 53.2 U 703
2018-04-26 04:11:47 C 07 32 25.13 +28 39 49.2 U 703
2018-05-04 03:16:34 C 07 46 17.12 +27 04 59.8 U 703
2018-05-04 03:39:20 C 07 46 18.72 +27 04 48.9 U 703
2018-05-10 03:26:22 C 07 56 38.60 +25 54 52.9 U 703
2018-05-10 03:34:36 C 07 56 39.22 +25 54 49.1 U 703
2018-05-10 03:42:48 C 07 56 39.78 +25 54 45.1 U 703
2018-05-10 03:51:01 C 07 56 40.32 +25 54 41.4 U 703
2018-05-13 06:44:14 C 08 02 01.16 +25 18 37.5 U T05
2018-05-13 07:00:13 C 08 02 02.23 +25 18 29.7 U T05
2018-05-13 07:16:00 C 08 02 03.35 +25 18 22.5 U T05
2018-05-13 07:31:54 C 08 02 04.49 +25 18 14.7 U T05
2018-05-14 03:55:14 C 08 03 31.63 +25 08 26.4 U 703
2018-05-14 04:03:24 C 08 03 32.23 +25 08 22.1 U 703
2018-05-14 04:11:34 C 08 03 32.73 +25 08 18.4 U 703
2018-05-14 04:19:43 C 08 03 33.38 +25 08 14.3 U 703
2018-05-15 06:51:42 C 08 05 26.57 +24 55 32.5 U T08
2018-05-15 07:04:11 C 08 05 27.37 +24 55 26.2 U T08
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)