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
2021-03-10 02:14:05 S 11 47 57.655 -13 39 52.85 V C57
2021-03-10 02:14:05 s 1 +131198.83 5 +256138.53 4610.0 C57
2021-03-10 02:24:05 S 11 47 57.058 -13 39 51.66 V C57
2021-03-10 02:24:05 s 1 +130943.45 2 +256691.97 1720.0 C57
2021-03-10 02:34:05 S 11 47 56.470 -13 39 48.67 V C57
2021-03-10 02:34:05 s 1 +130687.28 9 +257243.89 7150.0 C57
2021-03-10 02:44:05 S 11 47 55.687 -13 39 49.61 V C57
2021-03-10 02:44:05 s 1 +130430.35 1 +257794.29 920.0 C57
2021-03-10 02:54:05 S 11 47 55.368 -13 39 49.93 V C57
2021-03-10 02:54:05 s 1 +130172.64 4 +258343.18 3040.0 C57
2021-03-10 03:04:05 S 11 47 55.056 -13 39 49.07 V C57
2021-03-10 03:04:05 s 1 +129914.17 0 +258890.56 3510.0 C57
2021-03-10 03:14:05 S 11 47 54.029 -13 39 51.05 V C57
2021-03-10 03:14:05 s 1 +129654.93 6 +259436.42 2340.0 C57
2021-03-10 03:24:05 S 11 47 53.837 -13 39 52.70 V C57
2021-03-10 03:24:05 s 1 +129394.94 4 +259980.78 9550.0 C57
2021-03-10 03:44:05 S 11 47 52.272 -13 39 50.29 V C57
2021-03-10 03:44:05 s 1 +128872.70 7 +261064.98 9100.0 C57
2021-03-10 04:14:05 S 11 47 50.357 -13 39 49.07 V C57
2021-03-10 04:14:05 s 1 +128083.78 0 +262680.03 1430.0 C57
2021-03-10 04:24:05 S 11 47 50.117 -13 39 49.97 V C57
2021-03-10 04:24:05 s 1 +127819.33 6 +263215.39 9040.0 C57
2021-03-10 04:44:05 S 11 47 49.241 -13 39 46.73 V C57
2021-03-10 04:44:05 s 1 +127288.26 9 +264281.64 9550.0 C57
2021-03-10 04:54:05 S 11 47 47.988 -13 39 46.22 V C57
2021-03-10 04:54:05 s 1 +127021.65 5 +264812.54 2480.0 C57
2021-03-10 05:04:05 S 11 47 47.820 -13 39 48.49 V C57
2021-03-10 05:04:05 s 1 +126754.32 5 +265341.96 3860.0 C57
2021-03-10 05:14:05 S 11 47 47.086 -13 39 46.84 V C57
2021-03-10 05:14:05 s 1 +126486.28 4 +265869.89 3700.0 C57
2021-03-10 05:24:05 S 11 47 46.524 -13 39 48.96 V C57
2021-03-10 05:24:05 s 1 +126217.53 7 +266396.34 2020.0 C57
2021-03-10 05:34:05 S 11 47 45.984 -13 39 46.69 V C57
2021-03-10 05:34:05 s 1 +125948.08 6 +266921.32 8820.0 C57
2021-03-10 05:44:05 S 11 47 45.019 -13 39 43.99 V C57
2021-03-10 05:44:05 s 1 +125677.93 5 +267444.83 4100.0 C57
2021-03-10 05:54:05 S 11 47 44.707 -13 39 46.37 V C57
2021-03-10 05:54:05 s 1 +125407.09 0 +267966.86 7880.0 C57
2021-03-10 06:04:05 S 11 47 44.170 -13 39 46.12 V C57
2021-03-10 06:04:05 s 1 +125135.55 3 +268487.42 160.0 C57
2021-03-10 06:14:05 S 11 47 43.646 -13 39 42.77 V C57
2021-03-10 06:14:05 s 1 +124863.32 9 +269006.52 950.0 C57
2021-03-10 06:24:05 S 11 47 42.900 -13 39 45.04 V C57
2021-03-10 06:24:05 s 1 +124590.42 2 +269524.15 270.0 C57
2021-03-10 06:34:05 S 11 47 42.415 -13 39 43.06 V C57
2021-03-10 06:34:05 s 1 +124316.83 4 +270040.32 8110.0 C57
2021-03-10 06:44:05 S 11 47 41.630 -13 39 46.22 V C57
2021-03-10 06:44:05 s 1 +124042.57 1 +270555.04 4480.0 C57
2021-03-10 06:54:05 S 11 47 40.992 -13 39 45.72 V C57
2021-03-10 06:54:05 s 1 +123767.63 6 +271068.29 9400.0 C57
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)