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
2024-05-26 06:13:26 C 18 26 19.891 -69 49 59.23 V W68
2024-05-26 06:46:54 C 18 26 18.178 -69 50 25.94 V W68
2024-05-28 00:41:02 C 18 24 16.080 -70 23 25.84 V M22
2024-05-28 00:45:06 C 18 24 15.818 -70 23 29.00 V M22
2024-05-28 00:54:28 C 18 24 15.238 -70 23 36.28 V M22
2024-05-28 01:26:10 C 18 24 13.301 -70 24 00.76 V M22
2024-06-01 00:33:00 C 18 17 49.392 -71 35 54.74 V M22
2024-06-01 00:37:29 C 18 17 48.982 -71 35 58.09 V M22
2024-06-01 00:44:56 C 18 17 48.346 -71 36 03.46 V M22
2024-06-01 01:00:09 C 18 17 46.975 -71 36 14.40 V M22
2024-06-03 07:30:42 C 18 12 52.795 -72 14 55.93 V W68
2024-06-03 07:35:22 C 18 12 52.284 -72 14 59.06 V W68
2024-06-03 07:49:57 C 18 12 50.714 -72 15 08.82 V W68
2024-06-03 08:07:34 C 18 12 48.838 -72 15 20.74 V W68
2024-06-07 06:26:35 C 18 02 01.766 -73 16 21.32 V W68
2024-06-07 07:07:00 C 18 01 56.129 -73 16 45.12 V W68
2024-06-07 07:11:06 C 18 01 55.531 -73 16 47.57 V W68
2024-06-07 07:51:49 C 18 01 49.814 -73 17 11.11 V W68
2024-06-13 02:00:06 C 17 40 30.667 -74 27 48.24 V M22
2024-06-13 02:04:49 C 17 40 29.839 -74 27 50.08 V M22
2024-06-13 02:14:05 C 17 40 28.104 -74 27 53.57 V M22
2024-06-13 02:29:09 C 17 40 25.337 -74 27 59.36 V M22
2024-06-14 14:35:02 C 17 33 53.90 -74 41 54.7 X P14
2024-06-14 14:51:22 C 17 33 50.56 -74 42 01.8 X P14
2024-06-14 15:08:17 C 17 33 47.56 -74 42 07.5 X P14
2024-06-15 14:15:53 C 17 29 23.34 -74 49 50.5 X P14
2024-06-15 14:32:35 C 17 29 20.26 -74 49 56.0 X P14
2024-06-15 14:49:01 C 17 29 16.43 -74 50 01.6 X P14
2024-06-20 00:29:00 C 17 07 37.83 -75 12 49.8 834
2024-06-20 01:22:03 C 17 07 25.90 -75 12 56.8 834
2024-06-25 04:13:40 C 16 40 45.70 -75 11 14.3 q Y16
2024-06-25 04:23:32 C 16 40 43.21 -75 11 12.3 q Y16
2024-06-25 04:33:35 C 16 40 41.12 -75 11 10.9 q Y16
2024-06-27 06:19:14 C 16 30 07.735 -75 01 25.86 V W68
2024-06-27 06:23:54 C 16 30 06.701 -75 01 24.60 V W68
2024-06-27 06:46:38 C 16 30 01.822 -75 01 18.01 V W68
2024-06-27 06:54:06 C 16 30 00.180 -75 01 15.78 V W68
2024-06-29 01:51:13 C 16 21 14.026 -74 48 35.10 V M22
2024-06-29 01:55:18 C 16 21 13.250 -74 48 33.44 V M22
2024-06-29 02:29:34 C 16 21 06.353 -74 48 20.16 V M22
2024-06-29 02:49:58 C 16 21 02.261 -74 48 12.24 V M22
2024-07-01 03:15:01 C 16 11 44.614 -74 29 34.80 V W68
2024-07-01 03:19:39 C 16 11 43.680 -74 29 32.78 V W68
2024-07-01 03:27:35 C 16 11 42.125 -74 29 29.33 V W68
2024-07-01 03:43:09 C 16 11 39.041 -74 29 22.16 V W68
2024-07-04 23:57:37 C 15 55 56.94 -73 40 58.0 q Y16
2024-07-05 00:07:17 C 15 55 54.98 -73 40 51.2 q Y16
2024-07-05 00:17:40 C 15 55 53.26 -73 40 43.9 q Y16
2024-07-05 02:58:14 C 15 55 28.282 -73 39 05.00 V W68
2024-07-05 03:05:41 C 15 55 27.070 -73 39 00.18 V W68
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)