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
2026-02-21 06:26:47 C 13 44 32.443 -30 43 54.88 V W68
2026-02-21 07:06:44 C 13 44 31.886 -30 44 14.21 V W68
2026-02-21 07:09:54 C 13 44 31.867 -30 44 16.08 V W68
2026-02-21 07:17:28 C 13 44 31.759 -30 44 19.36 V W68
2026-02-25 11:57:24 C 13 42 59.381 -31 31 26.58 V T05
2026-02-25 12:01:19 C 13 42 59.282 -31 31 28.13 V T05
2026-02-25 12:11:12 C 13 42 59.119 -31 31 33.06 V T05
2026-02-25 12:25:29 C 13 42 58.793 -31 31 39.22 V T05
2026-02-27 05:06:42 C 13 42 10.222 -31 50 03.80 V W68
2026-02-27 05:10:41 C 13 42 10.142 -31 50 05.78 V W68
2026-02-27 05:18:46 C 13 42 09.943 -31 50 09.71 V W68
2026-02-27 05:54:38 C 13 42 09.137 -31 50 25.55 V W68
2026-03-11 07:13:28 C 13 33 06.288 -33 49 25.46 V W68
2026-03-11 07:43:43 C 13 33 04.973 -33 49 36.66 V W68
2026-03-11 07:49:01 C 13 33 04.747 -33 49 38.21 V W68
2026-03-11 07:57:28 C 13 33 04.394 -33 49 41.63 V W68
2026-03-12 23:34:56 C 13 31 22.817 -34 03 47.95 V M22
2026-03-12 23:39:05 C 13 31 22.649 -34 03 49.28 V M22
2026-03-12 23:43:04 C 13 31 22.450 -34 03 50.83 V M22
2026-03-13 00:30:00 C 13 31 20.311 -34 04 07.18 V M22
2026-03-23 04:40:05 C 13 18 33.665 -35 14 47.08 V W68
2026-03-23 05:35:11 C 13 18 30.252 -35 14 59.68 V W68
2026-03-23 06:24:19 C 13 18 27.221 -35 15 10.48 V W68
2026-03-24 01:48:06 C 13 17 17.105 -35 19 22.04 W X26
2026-03-24 03:12:55 C 13 17 11.815 -35 19 41.52 W X26
2026-03-24 03:38:35 C 13 17 10.222 -35 19 46.81 W X26
2026-03-26 10:57:02 C 13 13 42.163 -35 30 35.03 V T05
2026-03-26 11:02:20 C 13 13 41.842 -35 30 35.89 V T05
2026-03-26 11:10:52 C 13 13 41.263 -35 30 37.40 V T05
2026-03-26 11:26:40 C 13 13 40.234 -35 30 40.18 V T05
2026-03-27 04:06:45 C 13 12 35.873 -35 33 26.89 V W68
2026-03-27 04:11:00 C 13 12 35.606 -35 33 27.47 V W68
2026-03-27 04:15:41 C 13 12 35.304 -35 33 28.55 V W68
2026-03-27 04:23:15 C 13 12 34.778 -35 33 29.59 V W68
2026-03-27 11:15:42 C 13 12 07.824 -35 34 41.30 V T05
2026-03-27 11:20:20 C 13 12 07.526 -35 34 42.56 V T05
2026-03-27 11:52:15 C 13 12 05.378 -35 34 47.42 V T05
2026-03-27 12:33:07 C 13 12 02.640 -35 34 53.76 V T05
2026-03-27 12:49:05 C 13 12 01.553 -35 34 56.03 V T05
2026-03-27 22:34:24 C 13 11 23.474 -35 36 24.26 V M22
2026-03-27 22:38:18 C 13 11 23.194 -35 36 24.48 V M22
2026-03-27 22:42:12 C 13 11 22.951 -35 36 25.27 V M22
2026-03-27 22:49:24 C 13 11 22.462 -35 36 26.14 V M22
2026-03-29 04:41:58 C 13 09 23.417 -35 40 45.23 V W68
2026-03-29 04:46:34 C 13 09 23.100 -35 40 45.48 V W68
2026-03-29 05:22:55 C 13 09 20.604 -35 40 50.56 V W68
2026-03-29 05:59:14 C 13 09 18.098 -35 40 55.45 V W68
2026-03-30 21:53:26 C 13 06 35.645 -35 45 42.98 V M22
2026-03-30 21:56:53 C 13 06 35.414 -35 45 43.56 V M22
2026-03-30 22:05:20 C 13 06 34.826 -35 45 44.57 V M22
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)