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
2004-02-27 02:55:09 C 07 50 35.80 +36 23 50.2 c H41
2004-02-27 05:15:52 C 07 50 31.91 +36 22 07.4 17.2 c 704
2004-02-27 05:33:12 C 07 50 31.41 +36 21 54.6 17.8 c 704
2004-02-27 05:51:19 C 07 50 31.04 +36 21 41.7 17.5 c 704
2004-02-27 06:08:06 C 07 50 30.44 +36 21 28.9 17.1 c 704
2004-02-27 06:28:32 C 07 50 29.93 +36 21 14.3 17.8 c 704
2004-02-27 12:22:22 C 07 50 21.17 +36 16 54.1 o 379
2004-02-27 12:28:41 C 07 50 21.01 +36 16 49.9 o 379
2004-02-27 12:31:50 C 07 50 20.92 +36 16 47.1 o 379
2004-02-27 22:13:53 C 07 50 06.53 +36 09 39.1 c A32
2004-02-27 22:20:21 C 07 50 06.35 +36 09 34.6 c A32
2004-02-27 22:28:25 C 07 50 06.14 +36 09 28.1 c A32
2004-02-27 22:36:31 C 07 50 05.95 +36 09 22.6 c A32
2004-02-27 22:44:36 C 07 50 05.72 +36 09 16.3 c A32
2004-02-28 23:01:31 C 07 49 32.69 +35 51 35.8 c J93
2004-02-28 23:06:33 C 07 49 32.57 +35 51 32.0 c J93
2004-02-28 23:11:36 C 07 49 32.48 +35 51 28.3 c J93
2004-02-29 21:59:47 C 07 49 04.74 +35 35 00.0 c J93
2004-02-29 22:03:50 C 07 49 04.62 +35 34 55.6 c J93
2004-02-29 22:07:52 C 07 49 04.48 +35 34 54.9 c J93
2004-02-29 23:25:05 C 07 49 02.95 +35 33 57.4 c A32
2004-02-29 23:34:48 C 07 49 02.75 +35 33 50.5 c A32
2004-02-29 23:47:44 C 07 49 02.49 +35 33 40.8 c A32
2004-03-01 00:00:43 C 07 49 02.24 +35 33 31.7 c A32
2004-03-02 02:32:11 C 07 48 34.49 +35 14 33.7 r H41
2004-03-02 02:34:56 C 07 48 34.40 +35 14 31.6 r H41
2004-03-02 02:36:55 C 07 48 34.35 +35 14 30.0 r H41
2004-03-02 02:38:30 C 07 48 34.30 +35 14 28.7 r H41
2004-03-03 19:31:35 C 07 47 58.62 +34 45 27.4 o A16
2004-03-03 19:38:35 C 07 47 58.56 +34 45 25.3 o A16
2004-03-03 19:56:02 C 07 47 58.43 +34 45 14.0 o A16
2004-03-04 20:24:13 07 47 41.47 +34 28 02.9 o 084
2004-03-05 20:59:20 C 07 47 27.83 +34 11 00.6 c 113
2004-03-05 21:00:56 C 07 47 27.81 +34 10 59.6 c 113
2004-03-07 20:05:15 C 07 47 10.34 +33 38 46.6 r 240
2004-03-07 20:10:29 C 07 47 10.30 +33 38 43.1 r 240
2004-03-07 20:12:33 C 07 47 10.30 +33 38 41.5 r 240
2004-03-07 20:19:52 C 07 47 10.28 +33 38 36.5 r 240
2004-03-07 20:23:01 C 07 47 10.24 +33 38 34.2 r 240
2004-03-07 22:38:08 C 07 47 09.48 +33 37 02.4 c A32
2004-03-08 02:17:55 C 07 47 08.87 +33 34 35.6 r H41
2004-03-08 02:20:21 C 07 47 08.91 +33 34 34.0 r H41
2004-03-08 02:22:51 C 07 47 08.88 +33 34 32.3 r H41
2004-03-08 02:24:42 C 07 47 08.86 +33 34 30.9 r H41
2004-03-08 02:26:37 C 07 47 08.83 +33 34 30.2 r H41
2004-03-09 02:47:55 C 07 47 04.79 +33 18 07.1 r H41
2004-03-09 02:50:53 C 07 47 04.76 +33 18 05.1 r H41
2004-03-09 02:55:20 C 07 47 04.76 +33 18 02.0 r H41
2004-03-09 02:57:31 C 07 47 04.76 +33 18 00.8 r H41
2004-03-09 11:19:25 C 07 47 04.05 +33 12 24.1 r 379
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)