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
2023-03-17 07:44:27 C 09 29 19.46 +15 54 20.8 V U55
2023-03-17 20:42:20 C 09 28 46.951 +15 52 11.89 V M22
2023-03-17 20:42:59 C 09 28 46.915 +15 52 11.89 V M22
2023-03-17 20:46:53 C 09 28 46.754 +15 52 11.21 V M22
2023-03-17 20:47:32 C 09 28 46.730 +15 52 11.06 V M22
2023-03-17 20:54:50 C 09 28 46.423 +15 52 09.73 V M22
2023-03-17 20:56:08 C 09 28 46.373 +15 52 09.59 V M22
2023-03-17 21:11:44 C 09 28 45.701 +15 52 06.71 V M22
2023-03-17 21:13:41 C 09 28 45.622 +15 52 06.35 V M22
2023-03-17 23:15:04 C 09 28 40.596 +15 51 37.99 V L92
2023-03-17 23:25:16 C 09 28 40.062 +15 51 35.01 V L92
2023-03-17 23:35:29 C 09 28 39.625 +15 51 33.46 V L92
2023-03-18 08:45:46 C 09 28 17.290 +15 49 58.55 V T05
2023-03-18 08:50:22 C 09 28 17.088 +15 49 57.54 V T05
2023-03-18 09:01:03 C 09 28 16.634 +15 49 55.60 V T05
2023-03-18 09:16:26 C 09 28 15.986 +15 49 52.90 V T05
2023-03-19 01:40:07 C 09 27 36.898 +15 47 00.38 V W68
2023-03-19 01:42:43 C 09 27 36.782 +15 47 00.38 V W68
2023-03-19 01:47:15 C 09 27 36.619 +15 46 59.56 V W68
2023-03-19 02:22:33 C 09 27 35.165 +15 46 53.26 V W68
2023-03-20 22:07:38 C 09 25 56.18 +15 38 42.7 X L63
2023-03-20 22:16:25 C 09 25 55.87 +15 38 41.3 X L63
2023-03-20 22:24:41 C 09 25 55.58 +15 38 39.6 X L63
2023-03-22 02:42:55 C 09 24 56.174 +15 33 25.38 V W68
2023-03-22 02:47:28 C 09 24 56.002 +15 33 24.34 V W68
2023-03-22 02:56:33 C 09 24 55.670 +15 33 22.54 V W68
2023-03-22 03:42:51 C 09 24 54.031 +15 33 13.68 V W68
2023-03-24 18:15:43 C 09 22 55.525 +15 20 55.44 V L92
2023-03-24 18:19:48 C 09 22 55.484 +15 20 55.40 V L92
2023-03-24 18:22:51 C 09 22 55.373 +15 20 55.04 V L92
2023-03-25 05:17:23 C 09 22 36.188 +15 18 43.56 V 703
2023-03-25 05:25:08 C 09 22 35.987 +15 18 42.08 V 703
2023-03-25 05:32:51 C 09 22 35.735 +15 18 40.46 V 703
2023-03-25 05:40:34 C 09 22 35.501 +15 18 38.88 V 703
2023-03-25 06:04:54 C 09 22 35.069 +15 18 35.43 U F52
2023-03-25 06:21:36 C 09 22 34.572 +15 18 32.66 U F52
2023-03-25 06:38:19 C 09 22 34.046 +15 18 29.24 U F52
2023-03-25 08:07:01 C 09 22 31.418 +15 18 10.91 V T05
2023-03-25 08:11:35 C 09 22 31.253 +15 18 10.08 V T05
2023-03-25 08:20:11 C 09 22 31.003 +15 18 08.24 V T05
2023-03-25 08:35:17 C 09 22 30.562 +15 18 05.11 V T05
2023-03-26 02:09:41 C 09 22 01.390 +15 14 37.25 V W68
2023-03-26 02:14:16 C 09 22 01.238 +15 14 36.35 V W68
2023-03-26 02:22:55 C 09 22 01.008 +15 14 34.40 V W68
2023-03-26 02:37:29 C 09 22 00.574 +15 14 31.63 V W68
2023-03-26 04:23:12 C 09 21 57.812 +15 14 04.34 V G96
2023-03-26 04:31:20 C 09 21 57.582 +15 14 02.62 V G96
2023-03-26 04:39:30 C 09 21 57.352 +15 14 00.92 V G96
2023-03-26 04:47:39 C 09 21 57.121 +15 13 59.27 V G96
2023-03-26 05:50:14 C 09 21 55.621 +15 13 47.72 U F52
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)