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
2024-11-16 06:48:43 C 20 24 06.341 +33 27 59.04 V T05
2024-11-16 17:22:11 B 20 25 39.768 +33 46 44.69 V 160
2024-11-16 17:26:37 B 20 25 40.406 +33 46 52.39 V 160
2024-11-16 17:30:38 B 20 25 40.966 +33 46 59.70 V 160
2024-11-16 18:44:52 B 20 25 51.576 +33 49 10.20 V 160
2024-11-16 18:49:59 B 20 25 52.308 +33 49 19.16 V 160
2024-11-16 18:55:08 B 20 25 53.038 +33 49 28.13 V 160
2024-11-17 06:14:42 C 20 27 32.868 +34 09 35.78 V T08
2024-11-17 06:19:21 C 20 27 33.528 +34 09 43.78 V T08
2024-11-17 06:30:12 C 20 27 35.095 +34 10 02.53 V T08
2024-11-17 06:58:09 C 20 27 39.127 +34 10 50.92 V T08
2024-11-18 05:52:42 C 20 31 03.982 +34 50 50.32 V T08
2024-11-18 06:00:55 C 20 31 05.172 +34 51 04.28 V T08
2024-11-18 06:15:27 C 20 31 07.294 +34 51 28.94 V T08
2024-11-18 06:33:53 C 20 31 09.982 +34 52 00.23 V T08
2024-11-19 06:47:16 C 20 34 49.411 +35 33 28.94 V T05
2024-11-19 06:51:51 C 20 34 50.093 +35 33 36.65 V T05
2024-11-19 07:01:05 C 20 34 51.468 +35 33 52.02 V T05
2024-11-19 07:22:20 C 20 34 54.662 +35 34 27.80 V T05
2024-11-20 06:49:04 C 20 38 30.324 +36 13 53.98 V T05
2024-11-20 07:10:57 C 20 38 33.641 +36 14 29.62 V T05
2024-11-20 07:33:43 C 20 38 37.085 +36 15 06.59 V T05
2024-11-20 07:45:54 C 20 38 38.942 +36 15 26.50 V T05
2024-11-21 06:06:31 C 20 42 07.747 +36 52 23.59 V T08
2024-11-21 06:20:20 C 20 42 09.869 +36 52 45.44 V T05
2024-11-21 06:25:17 C 20 42 10.603 +36 52 53.65 V T08
2024-11-21 06:37:27 C 20 42 12.487 +36 53 12.80 V T05
2024-11-21 06:58:22 C 20 42 15.674 +36 53 46.57 V T08
2024-11-21 07:00:46 C 20 42 16.058 +36 53 50.14 V T05
2024-11-21 07:20:02 C 20 42 19.018 +36 54 20.88 V T05
2024-11-22 06:05:01 C 20 45 54.763 +37 31 15.56 V T08
2024-11-22 06:20:23 C 20 45 57.142 +37 31 39.79 V T08
2024-11-22 06:25:06 C 20 45 57.876 +37 31 47.21 V T08
2024-11-22 06:32:41 C 20 45 59.047 +37 31 59.09 V T08
2024-11-22 18:02:26 B 20 47 49.735 +37 50 16.62 V 160
2024-11-22 18:05:57 B 20 47 50.306 +37 50 21.95 V 160
2024-11-22 18:09:21 B 20 47 50.834 +37 50 27.28 V 160
2024-11-23 05:30:54 C 20 49 40.169 +38 08 32.89 V T08
2024-11-23 05:36:19 C 20 49 41.016 +38 08 41.21 V T08
2024-11-23 05:45:06 C 20 49 42.386 +38 08 54.78 V T08
2024-11-23 05:59:14 C 20 49 44.609 +38 09 16.70 V T08
2024-11-24 18:16:28 B 20 55 40.622 +39 05 29.93 V L92
2024-11-24 18:20:33 B 20 55 41.298 +39 05 36.17 V L92
2024-11-24 18:24:37 B 20 55 41.941 +39 05 42.19 V L92
2024-11-24 18:28:42 B 20 55 42.603 +39 05 48.44 V L92
2024-11-24 18:32:47 B 20 55 43.187 +39 05 55.31 V L92
2024-11-24 18:36:52 B 20 55 44.002 +39 06 01.14 V L92
2024-11-24 18:40:57 B 20 55 44.548 +39 06 06.67 V L92
2024-11-24 18:45:01 B 20 55 45.219 +39 06 12.98 V L92
2024-11-25 16:24:40 C 20 59 22.181 +39 39 02.00 i M71
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)