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
2004-03-09 11:28:52 C 07 47 04.00 +33 12 18.0 r 379
2004-03-09 20:59:49 07 47 03.40 +33 05 55.2 o 084
2004-03-10 02:59:45 C 07 47 03.46 +33 01 58.9 r H41
2004-03-10 03:02:02 C 07 47 03.48 +33 01 57.8 r H41
2004-03-10 03:04:20 C 07 47 03.46 +33 01 56.5 r H41
2004-03-10 03:06:33 C 07 47 03.47 +33 01 54.8 r H41
2004-03-12 03:38:00 C 07 47 08.86 +32 30 03.4 r H41
2004-03-12 03:41:44 C 07 47 08.92 +32 30 00.6 r H41
2004-03-12 03:44:02 C 07 47 08.92 +32 29 59.8 r H41
2004-03-12 03:46:11 C 07 47 08.91 +32 29 58.2 r H41
2004-03-13 00:15:02 07 47 14.15 +32 16 39.0 o 084
2004-03-14 01:08:48 07 47 23.16 +32 00 42.1 o 084
2004-03-14 18:20:31 C 07 47 31.20 +31 49 49.8 c 113
2004-03-14 18:23:41 C 07 47 31.21 +31 49 47.7 c 113
2004-03-14 18:26:51 C 07 47 31.22 +31 49 45.9 c 113
2004-03-14 18:30:00 C 07 47 31.24 +31 49 43.7 c 113
2004-03-14 18:33:10 C 07 47 31.27 +31 49 42.0 c 113
2004-03-15 02:30:26 C 07 47 35.19 +31 44 41.6 r H41
2004-03-15 02:34:20 C 07 47 35.10 +31 44 39.3 r H41
2004-03-15 18:53:11 C 07 47 44.10 +31 34 23.5 r 106
2004-03-15 19:01:50 C 07 47 44.16 +31 34 17.8 r 106
2004-03-15 19:10:31 C 07 47 44.24 +31 34 12.4 r 106
2004-03-17 20:30:21 C 07 48 17.45 +31 03 39.0 r 215
2004-03-17 20:31:33 C 07 48 17.46 +31 03 38.2 r 215
2004-03-22 01:57:13 C 07 49 53.75 +30 02 48.4 r H41
2004-03-22 02:01:12 C 07 49 53.76 +30 02 45.8 r H41
2004-03-22 02:05:34 C 07 49 53.94 +30 02 44.8 r H41
2004-03-22 02:08:04 C 07 49 53.94 +30 02 42.8 r H41
2004-03-22 04:26:55 C 07 49 56.38 +30 01 20.7 18.0 c 704
2004-03-22 04:43:14 C 07 49 56.70 +30 01 11.6 18.5 c 704
2004-03-22 04:59:37 C 07 49 57.03 +30 01 01.0 18.9 c 704
2004-03-22 05:16:01 C 07 49 57.26 +30 00 51.9 18.5 c 704
2004-03-22 05:33:20 C 07 49 57.54 +30 00 42.3 18.3 c 704
2004-03-26 20:32:10 C 07 52 22.49 +28 57 02.8 c A32
2004-03-26 20:45:07 C 07 52 22.80 +28 56 55.5 c A32
2004-03-26 20:58:03 C 07 52 23.09 +28 56 48.2 c A32
2004-03-26 21:10:59 C 07 52 23.40 +28 56 40.9 c A32
2004-03-26 21:23:55 C 07 52 23.71 +28 56 33.5 c A32
2004-03-31 21:34:43 C 07 55 39.82 +27 50 45.2 c A32
2004-03-31 21:46:13 C 07 55 40.17 +27 50 40.6 c A32
2004-03-31 21:58:33 C 07 55 40.51 +27 50 34.1 c A32
2004-04-05 02:37:14 C 07 58 51.89 +26 57 43.3 r H41
2004-04-05 02:40:30 C 07 58 51.91 +26 57 40.0 r H41
2004-04-05 02:46:08 C 07 58 52.05 +26 57 37.6 r H41
2004-04-05 02:48:02 C 07 58 52.06 +26 57 34.7 r H41
2004-04-09 20:13:28 C 08 02 52.93 +26 00 05.2 r 240
2004-04-09 20:20:43 C 08 02 53.18 +26 00 01.6 r 240
2004-04-09 20:26:07 C 08 02 53.37 +25 59 58.8 r 240
2004-04-09 20:33:20 C 08 02 53.64 +25 59 55.1 r 240
2004-04-09 20:38:43 C 08 02 53.83 +25 59 52.4 r 240
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)