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
2017-10-05 02:10:58 C 17 20 36.41 +74 19 45.2 m W78
2017-10-05 02:24:48 C 17 20 34.43 +74 19 50.9 m W78
2017-10-06 03:27:36 C 17 17 26.81 +74 31 56.6 P V78
2017-10-06 03:44:09 C 17 17 24.76 +74 32 02.9 P V78
2017-10-06 04:02:34 C 17 17 22.30 +74 32 09.8 P V78
2017-10-07 15:20:49 C 17 13 13.45 +74 48 24.5 q C97
2017-10-07 15:22:24 C 17 13 13.19 +74 48 25.2 q C97
2017-10-07 15:24:14 C 17 13 12.96 +74 48 25.7 q C97
2017-10-07 15:25:47 C 17 13 12.72 +74 48 26.3 q C97
2017-10-07 15:27:25 C 17 13 12.58 +74 48 26.9 q C97
2017-10-08 01:09:39 C 17 12 09.07 +74 52 32.2 P V78
2017-10-08 01:23:51 C 17 12 07.28 +74 52 37.4 P V78
2017-10-08 01:36:47 C 17 12 05.64 +74 52 42.0 P V78
2017-10-09 01:27:31 C 17 09 31.14 +75 02 39.8 P V78
2017-10-09 01:39:10 C 17 09 29.69 +75 02 43.8 P V78
2017-10-09 01:46:56 C 17 09 28.70 +75 02 46.3 P V78
2017-10-10 00:23:59 S 17 07 13.850 +75 11 41.57 L C51
2017-10-10 01:28:25 C 17 07 03.52 +75 12 17.3 P V78
2017-10-10 01:56:47 C 17 07 00.32 +75 12 26.5 P V78
2017-10-10 02:22:50 C 17 06 57.35 +75 12 34.6 P V78
2017-10-10 02:25:51 C 17 06 56.37 +75 12 32.8 q W19
2017-10-10 02:29:40 C 17 06 55.96 +75 12 33.9 q W19
2017-10-10 02:32:57 C 17 06 55.59 +75 12 34.9 q W19
2017-10-10 02:36:39 C 17 06 55.22 +75 12 36.0 q W19
2017-10-10 02:40:19 C 17 06 54.82 +75 12 37.1 q W19
2017-10-10 02:44:03 C 17 06 54.45 +75 12 38.2 q W19
2017-10-10 06:40:59 S 17 06 36.46 +75 14 09.7 L C51
2017-10-10 07:09:15 C 17 06 26.88 +75 14 28.1 L T05
2017-10-10 07:21:50 C 17 06 25.50 +75 14 31.6 L T05
2017-10-10 07:34:26 C 17 06 24.21 +75 14 35.0 L T05
2017-10-10 07:44:06 C 17 06 23.19 +75 14 37.5 L T05
2017-10-10 09:49:40 S 17 06 18.06 +75 15 23.2 L C51
2017-10-10 16:06:41 S 17 05 41.50 +75 17 49.2 L C51
2017-10-10 19:15:10 S 17 05 23.43 +75 19 01.8 L C51
2017-10-10 22:23:51 S 17 05 05.59 +75 20 13.8 L C51
2017-10-11 01:32:22 S 17 04 47.79 +75 21 25.8 L C51
2017-10-11 04:40:52 S 17 04 30.13 +75 22 37.5 L C51
2017-10-11 07:49:22 S 17 04 12.65 +75 23 48.9 L C51
2017-10-11 10:58:03 S 17 03 55.361 +75 24 59.90 L C51
2017-10-11 14:06:33 S 17 03 38.13 +75 26 10.7 L C51
2017-10-11 15:17:38 C 17 03 26.22 +75 26 53.2 q C97
2017-10-11 15:21:09 C 17 03 25.88 +75 26 54.3 q C97
2017-10-11 15:23:36 C 17 03 25.60 +75 26 55.0 q C97
2017-10-11 15:26:22 C 17 03 25.31 +75 26 55.8 q C97
2017-10-11 15:28:16 C 17 03 25.10 +75 26 56.3 q C97
2017-10-11 15:30:00 C 17 03 24.91 +75 26 56.8 q C97
2017-10-11 17:15:03 S 17 03 21.04 +75 27 21.4 L C51
2017-10-11 20:23:33 S 17 03 04.07 +75 28 31.6 L C51
2017-10-11 23:32:14 S 17 02 47.31 +75 29 41.5 L C51
2017-10-12 01:02:39 C 17 02 35.75 +75 30 26.0 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)