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
2016-01-29 09:59:10 C 11 07 09.72 +10 59 53.0 q H45
2016-01-30 05:34:03 C 11 06 06.10 +10 59 46.5 R G45
2016-01-30 05:34:21 C 11 06 06.07 +10 59 46.5 R G45
2016-01-30 05:41:00 C 11 06 05.73 +10 59 46.2 R G45
2016-01-30 05:41:06 C 11 06 05.72 +10 59 46.5 R G45
2016-01-30 05:47:44 C 11 06 05.33 +10 59 46.0 R G45
2016-01-30 05:47:50 C 11 06 05.35 +10 59 46.1 R G45
2016-01-30 05:54:29 C 11 06 04.97 +10 59 46.5 R G45
2016-01-30 05:54:35 C 11 06 04.93 +10 59 46.6 R G45
2016-01-30 06:01:25 C 11 06 04.52 +10 59 45.7 R G45
2016-01-30 06:01:31 C 11 06 04.57 +10 59 46.5 R G45
2016-01-31 01:27:14 C 11 04 59.43 +10 59 42.6 o Z22
2016-01-31 01:28:50 C 11 04 59.36 +10 59 43.5 o Z22
2016-01-31 01:30:32 C 11 04 59.24 +10 59 44.7 o Z22
2016-01-31 01:55:14 C 11 04 57.80 +10 59 44.6 o Z22
2016-01-31 01:57:24 C 11 04 57.74 +10 59 43.9 o Z22
2016-01-31 02:04:31 C 11 04 57.34 +10 59 43.3 o Z22
2016-01-31 02:06:36 C 11 04 57.19 +10 59 43.9 o Z22
2016-01-31 08:45:36 C 11 04 34.56 +10 59 43.6 q 703
2016-01-31 08:53:03 C 11 04 34.14 +10 59 43.9 q 703
2016-01-31 09:00:31 C 11 04 33.70 +10 59 43.8 q 703
2016-01-31 09:07:57 C 11 04 33.28 +10 59 43.7 q 703
2016-02-02 02:36:29 C 11 02 08.92 +10 59 51.2 17.0 J43
2016-02-02 02:48:49 C 11 02 08.18 +10 59 51.1 17.1 J43
2016-02-02 03:01:10 C 11 02 07.42 +10 59 51.4 17.1 J43
2016-02-02 03:13:31 C 11 02 06.67 +10 59 51.5 17.1 J43
2016-02-03 14:56:25 C 10 59 57.40 +11 00 08.8 L T05
2016-02-03 15:27:07 C 10 59 55.55 +11 00 08.6 L T05
2016-02-03 15:49:00 C 10 59 54.15 +11 00 09.1 L T05
2016-02-03 16:02:09 C 10 59 53.32 +11 00 09.7 L T05
2016-02-03 16:47:39 C 10 59 51.03 +11 00 08.2 q D29
2016-02-03 17:11:50 C 10 59 49.51 +11 00 08.6 q D29
2016-02-03 17:36:01 C 10 59 47.98 +11 00 08.9 q D29
2016-02-04 01:55:04 C 10 59 17.30 +11 00 14.9 o Z22
2016-02-04 02:10:34 C 10 59 16.32 +11 00 14.5 o Z22
2016-02-04 02:22:09 C 10 59 15.64 +11 00 14.7 o Z22
2016-02-05 02:04:43 C 10 57 46.79 +11 00 30.5 q 160
2016-02-05 02:07:03 C 10 57 46.63 +11 00 30.7 q 160
2016-02-05 02:09:23 C 10 57 46.49 +11 00 30.9 q 160
2016-02-06 02:08:15 C 10 56 15.06 +11 00 52.0 q 160
2016-02-06 02:10:32 C 10 56 14.91 +11 00 52.1 q 160
2016-02-06 02:12:48 C 10 56 14.74 +11 00 52.0 q 160
2016-02-06 03:00:24 C 10 56 11.84 +11 00 54.2 c J04
2016-02-06 03:17:14 C 10 56 10.73 +11 00 54.5 c J04
2016-02-06 03:34:04 C 10 56 09.62 +11 00 54.7 c J04
2016-02-06 03:50:54 C 10 56 08.52 +11 00 55.1 c J04
2016-02-06 07:28:44 C 10 55 54.75 +11 00 58.2 q 703
2016-02-06 07:35:59 C 10 55 54.27 +11 00 58.3 q 703
2016-02-06 07:43:14 C 10 55 53.79 +11 00 58.2 q 703
2016-02-06 07:50:30 C 10 55 53.25 +11 00 58.6 q 703
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)