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
2017-09-13 04:26:06 C 19 14 36.50 +61 15 07.6 11.3 r 718
2017-09-13 04:29:15 C 19 14 35.38 +61 15 20.7 11.3 r 718
2017-09-13 04:32:24 C 19 14 34.24 +61 15 34.1 11.3 r 718
2017-09-13 04:35:32 C 19 14 33.10 +61 15 47.3 11.3 r 718
2017-09-13 04:35:55 C 19 14 31.13 +61 15 34.5 P V78
2017-09-13 04:38:41 C 19 14 31.96 +61 16 00.4 11.4 r 718
2017-09-13 04:39:18 C 19 14 29.94 +61 15 48.4 P V78
2017-09-13 04:43:09 C 19 14 28.58 +61 16 04.3 P V78
2017-09-13 18:49:48 C 19 09 59.44 +62 14 06.1 11.5 u K96
2017-09-13 19:20:15 C 19 09 48.44 +62 16 04.3 11.5 u K96
2017-09-13 19:42:06 C 19 09 40.70 +62 17 27.6 11.6 u K96
2017-09-13 22:15:06 C 19 08 50.11 +62 26 39.4 11.7 238
2017-09-13 22:16:12 C 19 08 49.74 +62 26 43.5 11.6 238
2017-09-13 22:16:56 C 19 08 49.52 +62 26 46.2 11.5 238
2017-09-13 22:18:03 C 19 08 49.11 +62 26 50.3 11.4 238
2017-09-13 22:19:32 C 19 08 48.64 +62 26 55.7 11.5 238
2017-09-13 22:20:16 C 19 08 48.38 +62 26 58.5 11.5 238
2017-09-13 22:21:25 C 19 08 46.08 +62 27 11.6 q L03
2017-09-13 22:21:44 C 19 08 47.91 +62 27 04.0 11.6 238
2017-09-13 23:39:37 C 19 08 20.14 +62 31 54.6 q L03
2017-09-14 01:26:30 C 19 07 46.11 +62 38 15.2 q L03
2017-09-14 01:59:52 C 19 07 43.09 +62 41 22.6 P V78
2017-09-14 02:01:52 C 19 07 42.37 +62 41 30.0 P V78
2017-09-14 02:05:02 C 19 07 41.26 +62 41 41.9 P V78
2017-09-14 16:09:47 C 19 03 15.23 +63 32 36.8 q C97
2017-09-14 16:11:05 C 19 03 14.78 +63 32 41.5 q C97
2017-09-14 16:12:23 C 19 03 14.37 +63 32 45.8 q C97
2017-09-14 16:13:41 C 19 03 13.80 +63 32 50.1 q C97
2017-09-14 16:15:00 C 19 03 13.38 +63 32 54.6 q C97
2017-09-14 17:42:11 C 19 02 42.52 +63 37 44.1 q C97
2017-09-14 17:43:30 C 19 02 42.06 +63 37 48.2 q C97
2017-09-14 17:44:54 C 19 02 41.58 +63 37 52.5 q C97
2017-09-14 17:46:12 C 19 02 41.12 +63 37 56.3 q C97
2017-09-14 17:47:30 C 19 02 40.66 +63 38 02.2 q C97
2017-09-14 18:36:39 C 19 02 30.61 +63 40 40.0 11.2 u K96
2017-09-14 19:03:36 C 19 02 21.25 +63 42 10.2 11.3 u K96
2017-09-14 19:28:11 C 19 02 12.68 +63 43 31.9 11.4 u K96
2017-09-14 19:49:52 C 19 02 05.19 +63 44 43.1 11.4 u K96
2017-09-14 20:31:28 C 19 01 50.89 +63 46 58.0 11.3 u K96
2017-09-14 21:28:16 n 19 01 34.58 +63 49 59.3 12.9 q Z43
2017-09-14 22:14:28 n 19 01 19.08 +63 52 27.3 12.5 q Z43
2017-09-15 02:31:56 C 19 00 03.42 +64 06 43.3 P V78
2017-09-15 02:34:46 C 19 00 02.47 +64 06 52.3 P V78
2017-09-15 02:36:49 C 19 00 01.76 +64 06 58.9 P V78
2017-09-15 06:07:19 C 18 58 51.91 +64 18 08.2 q 703
2017-09-15 06:15:13 C 18 58 49.36 +64 18 31.2 q 703
2017-09-15 06:23:03 C 18 58 46.71 +64 18 55.3 q 703
2017-09-15 06:30:57 C 18 58 44.12 +64 19 18.6 q 703
2017-09-15 18:57:36 C 18 55 05.14 +64 57 19.6 t L04
2017-09-15 19:02:42 C 18 55 03.45 +64 57 34.3 t L04
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)