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
2004-02-17 23:28:13 C 07 59 02.09 +39 08 26.0 c A32
2004-02-18 05:45:31 C 07 58 42.70 +39 03 42.5 r H41
2004-02-18 05:48:10 C 07 58 42.60 +39 03 39.7 r H41
2004-02-18 05:50:59 C 07 58 42.44 +39 03 38.2 r H41
2004-02-18 05:52:52 C 07 58 42.36 +39 03 37.1 r H41
2004-02-19 06:52:52 C 07 57 28.25 +38 44 39.0 r H41
2004-02-19 06:57:57 C 07 57 28.03 +38 44 34.8 r H41
2004-02-19 06:59:48 C 07 57 27.94 +38 44 33.6 r H41
2004-02-19 07:01:45 C 07 57 27.82 +38 44 32.1 r H41
2004-02-19 12:02:00 C 07 57 14.16 +38 40 45.1 o 379
2004-02-19 12:11:27 C 07 57 13.65 +38 40 38.5 o 379
2004-02-19 12:17:46 C 07 57 13.35 +38 40 33.8 o 379
2004-02-20 03:15:58 C 07 56 31.89 +38 29 13.0 r H41
2004-02-20 18:20:57 C 07 55 51.98 +38 17 45.8 r A16
2004-02-20 18:32:50 C 07 55 51.52 +38 17 36.8 r 198
2004-02-20 18:39:31 C 07 55 51.22 +38 17 31.9 r 198
2004-02-20 18:46:12 C 07 55 50.92 +38 17 27.0 r 198
2004-02-20 18:50:21 C 07 55 50.75 +38 17 24.0 r 198
2004-02-20 18:58:05 C 07 55 50.60 +38 17 17.7 r A16
2004-02-21 00:32:13 C 07 55 35.51 +38 13 04.6 c A32
2004-02-21 00:37:04 C 07 55 35.28 +38 13 00.8 c A32
2004-02-21 00:43:33 C 07 55 35.00 +38 12 55.8 c A32
2004-02-21 00:50:02 C 07 55 34.71 +38 12 50.8 c A32
2004-02-21 00:56:30 C 07 55 34.45 +38 12 45.9 c A32
2004-02-21 06:12:55 C 07 55 21.06 +38 08 49.7 r H41
2004-02-21 06:24:33 C 07 55 20.56 +38 08 41.3 r H41
2004-02-21 06:27:38 C 07 55 20.44 +38 08 38.5 r H41
2004-02-21 06:30:31 C 07 55 20.28 +38 08 36.2 r H41
2004-02-22 03:59:25 C 07 54 28.27 +37 52 25.7 r H41
2004-02-22 04:04:23 C 07 54 28.07 +37 52 21.2 r H41
2004-02-22 04:06:43 C 07 54 27.93 +37 52 19.8 r H41
2004-02-22 04:10:11 C 07 54 27.78 +37 52 17.2 r H41
2004-02-23 22:13:21 C 07 52 54.59 +37 20 40.9 c A32
2004-02-23 22:16:33 C 07 52 54.49 +37 20 38.6 c A32
2004-02-23 22:19:48 C 07 52 54.36 +37 20 36.0 c A32
2004-02-23 22:23:01 C 07 52 54.27 +37 20 33.8 c A32
2004-02-23 22:26:16 C 07 52 54.14 +37 20 31.2 c A32
2004-02-24 20:40:41 C 07 52 10.01 +37 03 56.4 r 240
2004-02-24 20:45:19 C 07 52 09.84 +37 03 52.9 r 240
2004-02-24 20:51:31 C 07 52 09.64 +37 03 48.3 r 240
2004-02-24 20:59:16 C 07 52 09.37 +37 03 42.5 r 240
2004-02-24 21:05:28 C 07 52 09.17 +37 03 38.0 r 240
2004-02-25 10:50:39 C 07 51 43.73 +36 53 26.7 o 379
2004-02-25 10:56:58 C 07 51 43.54 +36 53 21.5 o 379
2004-02-25 11:15:38 C 07 51 42.90 +36 53 14.2 r D85
2004-02-25 11:17:45 C 07 51 42.79 +36 53 13.0 r D85
2004-02-25 11:22:00 C 07 51 42.72 +36 53 09.9 r D85
2004-02-27 02:45:44 C 07 50 36.05 +36 23 57.1 c H41
2004-02-27 02:49:55 C 07 50 35.89 +36 23 55.5 c H41
2004-02-27 02:52:14 C 07 50 35.84 +36 23 52.6 c H41
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)