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
2021-05-18 07:16:20 C 10 46 37.57 -09 46 05.8 V T08
2021-05-18 07:31:39 C 10 46 37.64 -09 46 05.1 V T08
2021-05-28 07:07:19 C 10 49 13.16 -09 43 11.6 V T05
2021-05-28 07:11:56 C 10 49 13.21 -09 43 11.0 V T05
2021-05-28 07:21:14 C 10 49 13.41 -09 43 11.8 V T05
2021-05-28 07:39:04 C 10 49 13.61 -09 43 11.4 V T05
2021-05-30 06:32:02 C 10 50 00.93 -09 44 18.3 V T08
2021-05-30 06:36:43 C 10 50 01.02 -09 44 18.6 V T08
2021-05-30 06:45:22 C 10 50 01.16 -09 44 19.2 V T08
2021-05-30 07:01:19 C 10 50 01.45 -09 44 19.6 V T08
2021-06-01 07:02:09 C 10 50 55.16 -09 46 01.3 V T05
2021-06-01 07:06:46 C 10 50 55.27 -09 46 01.9 V T05
2021-06-01 07:14:42 C 10 50 55.41 -09 46 01.8 V T05
2021-06-01 07:31:15 C 10 50 55.71 -09 46 02.7 V T05
2021-06-03 07:00:19 C 10 51 54.05 -09 48 17.0 V T08
2021-06-03 07:06:17 C 10 51 54.16 -09 48 17.5 V T08
2021-06-03 07:14:55 C 10 51 54.33 -09 48 18.0 V T08
2021-06-03 07:32:14 C 10 51 54.69 -09 48 18.9 V T08
2021-06-05 06:29:19 C 10 52 57.23 -09 51 04.0 V T05
2021-06-05 06:33:56 C 10 52 57.35 -09 51 05.0 V T05
2021-06-05 06:47:48 C 10 52 57.67 -09 51 05.3 V T05
2021-06-05 07:05:06 C 10 52 58.05 -09 51 06.3 V T05
2021-06-07 06:04:50 C 10 54 05.41 -09 54 23.4 V T08
2021-06-07 06:13:30 C 10 54 05.60 -09 54 24.4 V T08
2021-06-07 06:32:11 C 10 54 06.05 -09 54 25.7 V T08
2021-06-07 06:36:11 C 10 54 06.18 -09 54 25.8 V T08
2021-06-09 06:08:31 C 10 55 18.83 -09 58 19.0 V T05
2021-06-09 06:09:10 C 10 55 18.81 -09 58 19.9 V T05
2021-06-09 06:13:07 C 10 55 18.94 -09 58 18.7 V T05
2021-06-09 06:14:27 C 10 55 19.08 -09 58 17.9 V T05
2021-06-09 06:22:23 C 10 55 19.22 -09 58 19.3 V T05
2021-06-09 06:41:33 C 10 55 19.75 -09 58 21.1 V T05
2021-06-11 06:40:58 C 10 56 37.72 -10 02 47.5 V T08
2021-06-11 06:45:36 C 10 56 37.83 -10 02 48.0 V T08
2021-06-11 06:56:14 C 10 56 38.12 -10 02 49.3 V T08
2021-06-11 07:10:52 C 10 56 38.55 -10 02 50.9 V T08
2021-07-01 06:11:17 C 11 13 14.87 -11 14 59.8 V T08
2021-07-01 06:17:15 C 11 13 15.11 -11 15 01.1 V T08
2021-07-01 06:25:12 C 11 13 15.43 -11 15 02.3 V T08
2021-07-01 06:41:09 C 11 13 16.07 -11 15 05.7 V T08
2022-06-29 11:20:48 C 03 47 24.230 +30 52 06.31 U I41
2022-06-29 11:24:12 C 03 47 24.850 +30 52 09.70 U I41
2022-06-29 11:27:35 C 03 47 25.469 +30 52 12.90 U I41
2022-06-29 11:30:59 C 03 47 26.081 +30 52 16.28 U I41
2022-06-29 11:34:22 C 03 47 26.690 +30 52 19.60 U I41
2022-07-05 11:25:48 C 04 13 41.309 +32 59 23.78 U I41
2022-07-05 11:29:11 C 04 13 41.940 +32 59 26.59 U I41
2022-07-05 11:32:34 C 04 13 42.550 +32 59 29.29 U I41
2022-07-05 11:35:59 C 04 13 43.181 +32 59 32.21 U I41
2022-07-05 11:39:22 C 04 13 43.810 +32 59 34.91 U I41
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)