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
2004-01-30 05:29:58 C 08 35 19.96 +44 25 00.4 d 703
2004-01-30 05:31:36 C 08 35 19.78 +44 24 59.5 d 703
2004-01-30 05:53:25 C 08 35 17.36 +44 24 46.9 d 703
2004-01-30 05:55:03 C 08 35 17.15 +44 24 46.0 d 703
2004-01-31 04:47:38 C 08 32 50.24 +44 11 07.4 o 699
2004-01-31 05:02:14 C 08 32 48.65 +44 10 59.0 o 699
2004-01-31 05:16:50 C 08 32 47.06 +44 10 50.4 o 699
2004-01-31 05:31:26 C 08 32 45.47 +44 10 41.6 o 699
2004-01-31 13:52:33 C 08 31 52.52 +44 05 37.3 o 379
2004-01-31 13:54:42 C 08 31 52.27 +44 05 36.1 o 379
2004-01-31 13:56:52 C 08 31 52.04 +44 05 34.8 o 379
2004-01-31 13:59:00 C 08 31 51.80 +44 05 33.2 o 379
2004-01-31 14:01:09 C 08 31 51.56 +44 05 32.3 o 379
2004-02-02 20:37:37 C 08 26 18.53 +43 31 00.9 o A16
2004-02-02 20:44:26 C 08 26 17.91 +43 30 56.6 o A16
2004-02-02 20:51:05 C 08 26 17.18 +43 30 53.0 o A16
2004-02-02 20:55:02 C 08 26 16.77 +43 30 50.1 o A16
2004-02-03 06:35:59 C 08 25 19.56 +43 24 32.8 c H41
2004-02-03 06:37:48 C 08 25 19.29 +43 24 32.0 16.9 c 704
2004-02-03 06:37:50 C 08 25 19.29 +43 24 31.1 c H41
2004-02-03 06:43:31 C 08 25 18.69 +43 24 28.6 c H41
2004-02-03 06:45:24 C 08 25 18.55 +43 24 27.5 c H41
2004-02-03 06:55:22 C 08 25 17.56 +43 24 20.6 17.1 c 704
2004-02-03 07:12:56 C 08 25 15.75 +43 24 08.8 17.0 c 704
2004-02-03 07:30:44 C 08 25 14.01 +43 23 57.0 16.9 c 704
2004-02-03 07:48:30 C 08 25 12.24 +43 23 45.2 17.0 c 704
2004-02-03 20:53:56 C 08 23 57.19 +43 15 04.9 o A16
2004-02-03 20:56:12 C 08 23 57.23 +43 15 02.2 o A16
2004-02-03 20:56:30 C 08 23 56.99 +43 15 02.3 o A16
2004-02-03 20:57:21 C 08 23 56.84 +43 15 01.0 o A16
2004-02-03 20:58:30 C 08 23 56.81 +43 15 01.2 o A16
2004-02-03 21:01:54 C 08 23 56.46 +43 14 58.3 o A16
2004-02-03 21:07:00 C 08 23 55.99 +43 14 55.0 o A16
2004-02-03 21:14:59 C 08 23 55.19 +43 14 49.8 o A16
2004-02-09 23:02:04 C 08 11 21.46 +41 32 35.7 c A32
2004-02-09 23:06:56 C 08 11 21.06 +41 32 32.1 c A32
2004-02-09 23:13:24 C 08 11 20.56 +41 32 27.1 c A32
2004-02-09 23:19:52 C 08 11 20.07 +41 32 22.7 c A32
2004-02-10 05:20:11 C 08 10 52.81 +41 28 02.2 16.1 c 704
2004-02-10 05:42:52 C 08 10 51.11 +41 27 45.7 16.4 c 704
2004-02-10 06:00:24 C 08 10 49.66 +41 27 32.7 16.6 c 704
2004-02-10 06:17:29 C 08 10 48.33 +41 27 20.3 16.5 c 704
2004-02-10 06:35:22 C 08 10 46.92 +41 27 06.7 16.5 c 704
2004-02-10 11:52:08 C 08 10 23.46 +41 23 14.4 o 379
2004-02-10 11:54:16 C 08 10 23.31 +41 23 12.4 o 379
2004-02-11 20:25:17 C 08 08 01.14 +40 59 10.8 c A30
2004-02-11 20:30:25 C 08 08 00.83 +40 59 06.2 c A30
2004-02-11 20:38:47 C 08 08 00.25 +40 58 59.8 c A30
2004-02-11 20:44:08 C 08 07 59.88 +40 58 54.8 c A30
2004-02-11 20:49:14 C 08 07 59.51 +40 58 52.5 c A30
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)