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
2021-04-28 09:07:04 C 10 49 53.76 -10 34 02.1 V T08
2021-04-28 09:25:00 C 10 49 53.37 -10 34 00.2 V T08
2021-04-29 09:28:20 C 10 49 25.51 -10 30 22.4 V T05
2021-04-29 09:42:51 C 10 49 25.22 -10 30 20.2 V T05
2021-04-29 09:51:27 C 10 49 25.08 -10 30 19.5 V T05
2021-04-29 10:11:07 C 10 49 24.63 -10 30 16.2 V T05
2021-04-30 07:47:02 C 10 49 01.56 -10 27 07.2 V T05
2021-04-30 07:56:58 C 10 49 01.40 -10 27 05.9 V T05
2021-04-30 08:02:17 C 10 49 01.28 -10 27 05.1 V T05
2021-04-30 08:18:12 C 10 49 00.99 -10 27 02.9 V T05
2021-04-30 09:13:49 C 10 49 00.09 -10 26 50.1 q E89
2021-04-30 09:35:27 C 10 48 59.67 -10 26 46.8 q E89
2021-05-01 07:52:44 C 10 48 37.49 -10 23 43.0 V T08
2021-05-01 07:57:23 C 10 48 37.41 -10 23 42.5 V T08
2021-05-01 08:05:22 C 10 48 37.26 -10 23 41.0 V T08
2021-05-01 08:20:38 C 10 48 36.99 -10 23 39.1 V T08
2021-05-02 08:06:44 C 10 48 15.26 -10 20 24.8 V T08
2021-05-02 08:11:25 C 10 48 15.16 -10 20 23.9 V T08
2021-05-02 08:22:04 C 10 48 15.01 -10 20 22.8 V T08
2021-05-02 08:42:39 C 10 48 14.70 -10 20 19.5 V T08
2021-05-04 08:28:41 C 10 47 36.91 -10 14 11.8 V T05
2021-05-04 08:33:19 C 10 47 36.82 -10 14 10.9 V T05
2021-05-04 08:44:33 C 10 47 36.66 -10 14 09.5 V T05
2021-05-04 09:02:24 C 10 47 36.46 -10 14 07.3 V T05
2021-05-07 04:05:47 C 10 46 56.42 -10 06 22.7 U I41
2021-05-07 04:34:09 C 10 46 56.18 -10 06 19.4 U I41
2021-05-08 07:24:47 C 10 46 44.28 -10 03 29.6 V T05
2021-05-08 07:30:44 C 10 46 44.20 -10 03 28.9 V T05
2021-05-08 07:38:38 C 10 46 44.13 -10 03 27.9 V T05
2021-05-08 07:53:56 C 10 46 44.05 -10 03 26.4 V T05
2021-05-09 04:34:28 C 10 46 36.53 -10 01 24.2 U I41
2021-05-09 05:37:14 C 10 46 36.12 -10 01 18.1 U I41
2021-05-10 07:23:22 C 10 46 28.74 -09 58 52.7 V T08
2021-05-10 07:28:02 C 10 46 28.73 -09 58 52.5 V T08
2021-05-10 07:36:01 C 10 46 28.68 -09 58 51.5 V T08
2021-05-10 07:51:17 C 10 46 28.61 -09 58 50.2 V T08
2021-05-12 07:33:01 C 10 46 20.46 -09 54 48.9 V T05
2021-05-12 07:39:04 C 10 46 20.45 -09 54 49.1 V T05
2021-05-12 07:47:39 C 10 46 20.46 -09 54 47.7 V T05
2021-05-12 08:07:33 C 10 46 20.40 -09 54 45.8 V T05
2021-05-14 06:57:55 C 10 46 19.37 -09 51 21.6 V T08
2021-05-14 07:02:34 C 10 46 19.38 -09 51 21.7 V T08
2021-05-14 07:12:31 C 10 46 19.37 -09 51 20.9 V T08
2021-05-14 07:27:07 C 10 46 19.37 -09 51 20.0 V T08
2021-05-16 06:50:29 C 10 46 25.05 -09 48 27.4 V T05
2021-05-16 06:58:26 C 10 46 25.04 -09 48 27.0 V T05
2021-05-16 07:07:41 C 10 46 25.08 -09 48 26.2 V T05
2021-05-16 07:27:34 C 10 46 25.12 -09 48 25.7 V T05
2021-05-18 07:03:44 C 10 46 37.56 -09 46 06.9 V T08
2021-05-18 07:08:22 C 10 46 37.53 -09 46 06.5 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)