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
2021-03-23 02:04:04 s 1 +144116.01 2 +250026.90 2450.0 C57
2021-03-23 02:14:04 S 11 28 18.511 -13 11 34.80 V C57
2021-03-23 02:14:04 s 1 +143872.18 5 +250590.06 4700.0 C57
2021-03-23 02:24:04 S 11 28 17.947 -13 11 34.37 V C57
2021-03-23 02:24:04 s 1 +143627.51 2 +251151.74 5230.0 C57
2021-03-23 02:34:04 S 11 28 17.340 -13 11 31.02 V C57
2021-03-23 02:34:04 s 1 +143381.99 6 +251711.94 4020.0 C57
2021-03-23 02:44:04 S 11 28 16.786 -13 11 31.85 V C57
2021-03-23 02:44:04 s 1 +143135.64 3 +252270.67 1100.0 C57
2021-03-23 02:54:04 S 11 28 16.190 -13 11 29.44 V C57
2021-03-23 02:54:04 s 1 +142888.45 7 +252827.93 6470.0 C57
2021-03-23 03:04:04 S 11 28 15.694 -13 11 29.54 V C57
2021-03-23 03:04:04 s 1 +142640.44 3 +253383.72 140.0 C57
2021-03-23 03:14:04 S 11 28 14.909 -13 11 27.46 V C57
2021-03-23 03:14:04 s 1 +142391.60 5 +253938.05 2120.0 C57
2021-03-23 03:24:04 S 11 28 14.734 -13 11 24.97 V C57
2021-03-23 03:24:04 s 1 +142141.94 6 +254490.90 2420.0 C57
2021-03-23 03:34:04 S 11 28 14.249 -13 11 23.89 V C57
2021-03-23 03:34:04 s 1 +141891.47 3 +255042.30 1040.0 C57
2021-03-23 03:44:04 S 11 28 13.332 -13 11 20.83 V C57
2021-03-23 03:44:04 s 1 +141640.18 9 +255592.23 8000.0 C57
2021-03-23 04:34:04 S 11 28 10.298 -13 11 21.08 V C57
2021-03-23 04:34:04 s 1 +140371.75 5 +258320.05 8100.0 C57
2021-03-23 04:44:04 S 11 28 10.015 -13 11 19.07 V C57
2021-03-23 04:44:04 s 1 +140115.69 5 +258861.26 5250.0 C57
2021-03-23 04:54:04 S 11 28 09.108 -13 11 19.25 V C57
2021-03-23 04:54:04 s 1 +139858.85 4 +259401.02 780.0 C57
2021-03-23 05:04:04 S 11 28 08.258 -13 11 12.98 V C57
2021-03-23 05:04:04 s 1 +139601.23 7 +259939.34 4720.0 C57
2021-03-23 05:14:04 S 11 28 07.793 -13 11 12.66 V C57
2021-03-23 05:14:04 s 1 +139342.84 6 +260476.21 7070.0 C57
2021-03-23 05:34:04 S 11 28 06.785 -13 11 13.24 V C57
2021-03-23 05:34:04 s 1 +138823.76 3 +261545.64 7030.0 C57
2021-03-23 05:44:04 S 11 28 05.995 -13 11 06.50 V C57
2021-03-23 05:44:04 s 1 +138563.07 8 +262078.20 4660.0 C57
2021-03-23 05:54:04 S 11 28 05.803 -13 11 08.30 V C57
2021-03-23 05:54:04 s 1 +138301.63 7 +262609.32 720.0 C57
2021-03-23 06:04:04 S 11 28 05.086 -13 11 02.33 V C57
2021-03-23 06:04:04 s 1 +138039.44 3 +263139.01 5240.0 C57
2021-03-23 06:14:04 S 11 28 04.478 -13 11 06.29 V C57
2021-03-23 06:14:04 s 1 +137776.50 0 +263667.27 8220.0 C57
2021-03-23 06:24:04 S 11 28 03.955 -13 11 02.11 V C57
2021-03-23 06:24:04 s 1 +137512.81 3 +264194.10 9660.0 C57
2021-03-23 06:34:04 S 11 28 03.406 -13 11 04.78 V C57
2021-03-23 06:34:04 s 1 +137248.38 5 +264719.51 9570.0 C57
2021-03-23 06:44:04 S 11 28 02.671 -13 11 02.65 V C57
2021-03-23 06:44:04 s 1 +136983.22 0 +265243.48 7970.0 C57
2021-03-23 06:54:04 S 11 28 02.042 -13 11 00.92 V C57
2021-03-23 06:54:04 s 1 +136717.32 3 +265766.04 4850.0 C57
2021-03-23 06:58:22 C 11 27 44.54 -13 11 45.2 V 703
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)