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
2020-10-29 12:25:45 C 11 27 39.80 +04 44 53.6 V G96
2020-10-29 12:36:29 C 11 27 40.37 +04 44 48.0 V G96
2020-10-29 12:42:34 C 11 27 40.74 +04 44 44.7 U I41
2020-10-29 12:49:24 C 11 27 41.12 +04 44 41.3 U I41
2020-10-29 12:56:12 C 11 27 41.47 +04 44 37.6 U I41
2020-10-29 13:02:59 C 11 27 41.83 +04 44 34.2 U I41
2020-10-31 12:40:21 C 11 30 15.93 +04 19 40.5 U I41
2020-10-31 12:47:09 C 11 30 16.30 +04 19 37.2 U I41
2020-10-31 12:54:00 C 11 30 16.66 +04 19 33.9 U I41
2020-10-31 13:00:48 C 11 30 17.02 +04 19 29.9 U I41
2020-10-31 13:07:37 C 11 30 17.37 +04 19 26.1 U I41
2020-11-02 12:40:54 C 11 32 49.10 +03 54 42.2 U I41
2020-11-02 12:47:44 C 11 32 49.46 +03 54 38.8 U I41
2020-11-02 12:54:31 C 11 32 49.82 +03 54 35.3 U I41
2020-11-02 13:01:20 C 11 32 50.17 +03 54 31.8 U I41
2020-11-06 20:45:40 C 11 38 13.55 +03 00 57.6 q D29
2020-11-06 20:59:34 C 11 38 14.30 +03 00 50.9 q D29
2020-11-22 12:40:21 C 11 56 11.18 -00 08 01.4 V G96
2020-11-22 12:45:49 C 11 56 11.41 -00 08 04.1 V G96
2020-11-22 12:51:18 C 11 56 11.66 -00 08 06.8 V G96
2020-11-22 12:56:48 C 11 56 11.89 -00 08 09.4 V G96
2020-11-27 11:21:56 C 12 01 17.18 -01 05 48.5 q H06
2020-11-27 11:49:52 C 12 01 18.30 -01 06 01.2 q H06
2020-11-27 12:20:31 C 12 01 19.63 -01 06 16.7 q H06
2020-12-01 15:05:18 C 12 05 20.12 -01 53 34.8 V T08
2020-12-01 15:12:43 C 12 05 20.37 -01 53 38.1 V T08
2020-12-01 15:41:23 C 12 05 21.44 -01 53 52.4 V T08
2020-12-01 15:47:21 C 12 05 21.66 -01 53 55.1 V T08
2020-12-12 12:21:56 C 12 14 48.63 -03 55 13.5 V 703
2020-12-12 12:29:59 C 12 14 48.92 -03 55 18.3 V 703
2020-12-12 12:38:02 C 12 14 49.14 -03 55 22.8 V 703
2020-12-12 12:46:05 C 12 14 49.48 -03 55 26.1 V 703
2020-12-19 10:48:13 C 12 19 52.24 -05 09 43.7 V 703
2020-12-19 10:56:16 C 12 19 52.51 -05 09 47.9 V 703
2020-12-19 11:04:18 C 12 19 52.78 -05 09 50.8 V 703
2020-12-19 11:12:21 C 12 19 52.94 -05 09 55.2 V 703
2020-12-21 14:51:46 C 12 21 16.72 -05 32 28.1 V T08
2020-12-21 14:59:44 C 12 21 16.98 -05 32 31.4 V T08
2020-12-21 15:19:34 C 12 21 17.45 -05 32 40.0 V T08
2020-12-21 15:36:18 C 12 21 17.88 -05 32 47.2 V T08
2020-12-22 10:54:56 C 12 21 47.94 -05 41 10.6 V 703
2020-12-22 11:02:44 C 12 21 48.10 -05 41 14.2 V 703
2020-12-22 11:10:33 C 12 21 48.32 -05 41 17.9 V 703
2020-12-22 11:18:22 C 12 21 48.48 -05 41 20.5 V 703
2020-12-23 14:10:06 C 12 22 28.91 -05 52 55.7 V T05
2020-12-23 14:14:45 C 12 22 29.03 -05 52 57.4 V T05
2020-12-23 14:22:41 C 12 22 29.25 -05 53 00.6 V T05
2020-12-23 14:39:51 C 12 22 29.65 -05 53 08.1 V T05
2021-01-10 14:43:04 C 12 29 37.55 -08 48 21.8 V T08
2021-01-10 14:53:01 C 12 29 37.56 -08 48 26.2 V 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)