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
2017-09-15 19:06:36 C 18 55 02.18 +64 57 45.4 t L04
2017-09-15 19:08:56 C 18 55 01.40 +64 57 52.1 t L04
2017-09-15 19:10:06 C 18 55 00.99 +64 57 55.5 t L04
2017-09-15 21:13:13 C 18 54 24.61 +65 03 43.1 g Z47
2017-09-15 21:31:21 C 18 54 18.69 +65 04 34.3 g Z47
2017-09-16 00:34:37 C 18 53 27.63 +65 13 50.7 q W46
2017-09-16 00:37:52 C 18 53 26.48 +65 14 00.0 q W46
2017-09-16 00:38:57 C 18 53 26.12 +65 14 03.1 q W46
2017-09-16 01:27:09 C 18 53 08.96 +65 16 08.8 q I15
2017-09-16 01:29:27 C 18 53 08.20 +65 16 15.2 q I15
2017-09-16 01:31:45 C 18 53 07.43 +65 16 21.5 q I15
2017-09-16 02:00:41 C 18 53 01.48 +65 18 00.4 g H32
2017-09-16 02:26:36 C 18 52 52.68 +65 19 12.6 g H32
2017-09-16 03:08:43 C 18 52 38.46 +65 21 06.9 g H32
2017-09-16 04:23:41 C 18 52 13.51 +65 24 08.9 q W19
2017-09-16 04:26:35 C 18 52 12.59 +65 24 16.4 q W19
2017-09-16 04:29:40 C 18 52 11.61 +65 24 24.5 q W19
2017-09-16 04:32:33 C 18 52 10.71 +65 24 32.1 q W19
2017-09-16 04:35:43 C 18 52 09.71 +65 24 40.3 q W19
2017-09-16 04:38:36 C 18 52 08.80 +65 24 47.9 q W19
2017-09-16 07:32:17 C 18 51 19.79 +65 33 23.4 L T05
2017-09-16 07:34:16 C 18 51 19.12 +65 33 28.5 L T05
2017-09-16 07:47:34 C 18 51 14.70 +65 34 03.1 L T05
2017-09-16 07:50:11 C 18 51 13.84 +65 34 09.8 L T05
2017-09-16 20:17:54 C 18 47 40.66 +66 06 52.1 11.7 q 006
2017-09-16 20:20:54 C 18 47 39.73 +66 06 59.3 11.8 q 006
2017-09-16 20:23:53 C 18 47 38.76 +66 07 06.3 11.9 q 006
2017-09-16 20:26:54 C 18 47 37.70 +66 07 14.1 11.5 q 006
2017-09-16 20:29:54 C 18 47 36.80 +66 07 21.0 11.8 q 006
2017-09-17 05:55:22 C 18 44 52.25 +66 30 19.1 P V78
2017-09-17 05:59:34 C 18 44 51.03 +66 30 28.6 P V78
2017-09-17 06:02:51 C 18 44 50.06 +66 30 35.9 P V78
2017-09-17 18:46:56 C 18 41 22.24 +67 00 59.9 11.4 u K96
2017-09-17 19:04:16 C 18 41 16.88 +67 01 37.9 11.5 u K96
2017-09-17 19:21:32 C 18 41 11.50 +67 02 15.6 11.6 u K96
2017-09-17 20:05:43 C 18 40 57.87 +67 03 50.8 11.5 u K96
2017-09-18 01:59:56 C 18 39 24.18 +67 16 56.0 P V78
2017-09-18 02:07:39 C 18 39 21.81 +67 17 12.4 P V78
2017-09-18 02:14:01 C 18 39 19.88 +67 17 26.1 P V78
2017-09-18 03:29:52 C 18 38 58.68 +67 20 16.0 12.2 r 718
2017-09-18 03:33:02 C 18 38 57.71 +67 20 22.7 12.4 r 718
2017-09-18 03:36:11 C 18 38 56.75 +67 20 29.2 12.3 r 718
2017-09-18 03:39:20 C 18 38 55.79 +67 20 35.7 12.4 r 718
2017-09-18 03:42:28 C 18 38 54.83 +67 20 42.5 12.4 r 718
2017-09-18 07:01:05 C 18 37 59.27 +67 28 02.7 L T08
2017-09-18 07:15:46 C 18 37 54.70 +67 28 32.1 L T08
2017-09-18 07:17:44 C 18 37 54.10 +67 28 36.1 L T08
2017-09-18 07:20:26 C 18 37 53.27 +67 28 41.5 L T08
2017-09-18 17:58:31 C 18 35 07.33 +67 50 30.7 12.0 u K96
2017-09-18 18:10:03 C 18 35 03.86 +67 50 53.7 12.1 u K96
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)