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
2014-03-29 06:25:24 C 11 37 41.17 -17 13 46.6 q 703
2014-03-29 06:32:35 C 11 37 40.73 -17 13 45.0 q 703
2014-03-29 06:39:46 C 11 37 40.23 -17 13 44.1 q 703
2014-03-30 05:09:00 C 11 36 17.54 -17 09 57.7 R G45
2014-03-30 05:25:27 C 11 36 16.55 -17 09 54.7 R G45
2014-03-30 05:41:51 C 11 36 15.55 -17 09 52.2 R G45
2014-03-30 05:58:18 C 11 36 14.42 -17 09 49.7 R G45
2014-03-30 05:59:21 C 11 36 14.43 -17 09 48.6 R G45
2014-03-30 06:16:37 C 11 36 13.32 -17 09 46.0 R G45
2014-04-06 04:44:48 C 11 26 29.46 -16 37 36.8 q 703
2014-04-06 04:51:58 C 11 26 29.03 -16 37 35.7 q 703
2014-04-06 04:59:09 C 11 26 28.64 -16 37 33.6 q 703
2014-04-06 05:06:20 C 11 26 28.23 -16 37 32.4 q 703
2015-10-15 20:21:45 C 10 15 01.35 +23 17 27.9 o C94
2015-10-15 20:30:20 C 10 15 01.99 +23 17 24.7 o C94
2015-10-15 20:40:36 C 10 15 02.79 +23 17 18.8 o C94
2015-10-20 04:22:00 C 10 22 37.64 +22 25 01.7 q 160
2015-10-20 04:24:58 C 10 22 37.87 +22 25 00.4 q 160
2015-10-20 04:27:56 C 10 22 38.07 +22 24 59.6 q 160
2015-11-22 03:52:12 C 11 08 11.86 +16 27 55.2 o Z22
2015-11-22 04:03:27 C 11 08 12.33 +16 27 50.3 o Z22
2015-11-28 04:11:47 C 11 13 59.50 +15 33 38.3 q 160
2015-11-28 04:15:31 C 11 13 59.63 +15 33 36.6 q 160
2015-11-28 04:19:31 C 11 13 59.81 +15 33 35.1 q 160
2015-12-09 12:00:22 C 11 22 27.92 +14 03 03.7 q 703
2015-12-09 12:06:52 C 11 22 28.04 +14 03 01.8 q 703
2015-12-09 12:13:22 C 11 22 28.26 +14 02 59.6 q 703
2015-12-09 12:19:52 C 11 22 28.35 +14 02 57.1 q 703
2015-12-11 04:26:47 C 11 23 25.78 +13 50 59.8 o Z22
2015-12-11 04:42:18 C 11 23 26.10 +13 50 55.1 o Z22
2015-12-11 04:53:47 C 11 23 26.35 +13 50 51.7 o Z22
2015-12-16 13:50:08 C 11 25 56.290 +13 14 59.66 L F51
2015-12-16 14:07:35 C 11 25 56.546 +13 14 55.12 L F51
2015-12-17 14:36:17 C 11 26 18.913 +13 08 34.17 L F51
2015-12-17 14:53:29 C 11 26 19.154 +13 08 29.59 L F51
2015-12-17 15:10:35 C 11 26 19.364 +13 08 25.47 L F51
2015-12-18 13:53:32 C 11 26 38.422 +13 02 39.74 L F51
2015-12-18 14:11:10 C 11 26 38.650 +13 02 35.29 L F51
2015-12-18 14:28:55 C 11 26 38.859 +13 02 30.97 L F51
2015-12-18 14:46:45 C 11 26 39.076 +13 02 26.40 L F51
2015-12-24 02:05:32 C 11 27 53.97 +12 31 41.6 o Z22
2015-12-24 02:16:07 C 11 27 54.07 +12 31 40.0 o Z22
2015-12-24 02:28:26 C 11 27 54.06 +12 31 38.2 o Z22
2016-01-03 12:47:26 C 11 27 20.03 +11 45 29.9 q 703
2016-01-03 12:56:41 C 11 27 19.84 +11 45 27.5 q 703
2016-01-03 13:05:56 C 11 27 19.73 +11 45 26.0 q 703
2016-01-03 13:15:11 C 11 27 19.50 +11 45 22.9 q 703
2016-01-07 06:11:13 C 11 26 07.28 +11 33 03.7 t J04
2016-01-07 06:23:13 C 11 26 07.07 +11 33 02.4 t J04
2016-01-11 11:11:16 C 11 24 04.40 +11 21 34.1 q H45
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)