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
2004-02-11 21:25:05 C 08 07 57.09 +40 58 26.5 r 938
2004-02-11 23:17:38 C 08 07 48.87 +40 57 03.7 r 938
2004-02-12 00:08:15 C 08 07 45.10 +40 56 23.5 c A32
2004-02-12 00:11:30 C 08 07 44.87 +40 56 21.0 c A32
2004-02-12 00:14:43 C 08 07 44.63 +40 56 18.6 c A32
2004-02-12 00:17:57 C 08 07 44.41 +40 56 16.5 c A32
2004-02-12 04:36:52 C 08 07 26.48 +40 53 08.1 15.9 d H72
2004-02-12 04:41:32 C 08 07 26.11 +40 53 04.8 15.9 d H72
2004-02-12 04:46:13 C 08 07 25.77 +40 53 01.6 15.8 d H72
2004-02-12 04:50:53 C 08 07 25.42 +40 52 57.6 15.7 d H72
2004-02-12 20:23:04 C 08 06 21.93 +40 41 19.6 c 434
2004-02-12 20:26:05 C 08 06 21.73 +40 41 17.1 c 434
2004-02-12 20:29:03 C 08 06 21.55 +40 41 15.4 c 434
2004-02-12 20:31:35 C 08 06 21.35 +40 41 13.6 c 434
2004-02-13 06:53:16 C 08 05 39.30 +40 33 28.9 r H41
2004-02-13 06:55:33 C 08 05 39.12 +40 33 27.8 r H41
2004-02-13 07:07:43 C 08 05 38.35 +40 33 18.2 r H41
2004-02-13 07:10:19 C 08 05 38.13 +40 33 16.3 r H41
2004-02-13 22:51:59 C 08 04 37.22 +40 21 29.6 r J87
2004-02-13 22:55:08 C 08 04 37.01 +40 21 27.4 r J87
2004-02-13 22:58:18 C 08 04 36.80 +40 21 25.0 r J87
2004-02-14 05:27:59 C 08 04 12.11 +40 16 33.6 d 703
2004-02-14 05:45:06 C 08 04 10.96 +40 16 20.7 d 703
2004-02-14 06:01:40 C 08 04 09.92 +40 16 08.8 d 703
2004-02-14 06:18:46 C 08 04 08.76 +40 15 55.6 d 703
2004-02-14 22:01:54 C 08 03 10.32 +40 04 02.8 c A30
2004-02-14 22:07:39 C 08 03 09.93 +40 03 57.9 c A30
2004-02-14 22:10:55 C 08 03 09.74 +40 03 56.2 c A30
2004-02-14 22:17:10 C 08 03 09.36 +40 03 51.8 c A30
2004-02-14 22:26:40 C 08 03 08.76 +40 03 44.0 c A30
2004-02-16 06:26:47 C 08 01 15.44 +39 39 33.3 r H41
2004-02-16 06:32:49 C 08 01 15.10 +39 39 28.4 r H41
2004-02-16 06:35:23 C 08 01 14.88 +39 39 27.1 r H41
2004-02-16 06:37:55 C 08 01 14.76 +39 39 24.0 r H41
2004-02-16 19:30:12 C 08 00 32.04 +39 29 37.7 r A16
2004-02-16 19:45:39 C 08 00 31.20 +39 29 25.7 r A16
2004-02-16 19:54:52 C 08 00 30.72 +39 29 18.6 r A16
2004-02-16 19:56:54 C 08 00 30.74 +39 29 19.4 c 434
2004-02-16 20:01:03 C 08 00 30.39 +39 29 16.3 c 434
2004-02-16 20:04:09 C 08 00 30.23 +39 29 12.1 r A16
2004-02-16 20:04:49 C 08 00 30.21 +39 29 13.4 c 434
2004-02-16 20:06:44 C 08 00 30.05 +39 29 11.7 c 434
2004-02-16 20:13:24 C 08 00 29.60 +39 29 05.7 r A16
2004-02-17 13:23:52 C 07 59 33.77 +39 16 07.1 o 379
2004-02-17 13:27:02 C 07 59 33.62 +39 16 05.1 o 379
2004-02-17 13:30:11 C 07 59 33.45 +39 16 02.4 o 379
2004-02-17 13:33:19 C 07 59 33.25 +39 16 00.4 o 379
2004-02-17 23:10:26 C 07 59 03.02 +39 08 39.5 c A32
2004-02-17 23:15:17 C 07 59 02.77 +39 08 35.7 c A32
2004-02-17 23:21:45 C 07 59 02.41 +39 08 30.9 c A32
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)