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
2021-03-22 21:04:04 s 1 +151013.38 9 +232434.08 1050.0 C57
2021-03-22 21:14:04 S 11 28 36.031 -13 12 11.02 V C57
2021-03-22 21:14:04 s 1 +150797.22 5 +233042.60 9820.0 C57
2021-03-22 21:24:04 S 11 28 35.851 -13 12 14.72 V C57
2021-03-22 21:24:04 s 1 +150580.06 3 +233649.57 6560.0 C57
2021-03-22 21:34:04 S 11 28 34.884 -13 12 10.58 V C57
2021-03-22 21:34:04 s 1 +150361.90 9 +234255.00 1270.0 C57
2021-03-22 21:44:04 S 11 28 34.512 -13 12 10.69 V C57
2021-03-22 21:44:04 s 1 +150142.76 9 +234858.89 3980.0 C57
2021-03-22 21:54:04 S 11 28 33.874 -13 12 09.76 V C57
2021-03-22 21:54:04 s 1 +149922.64 7 +235461.25 4680.0 C57
2021-03-22 22:54:04 S 11 28 30.115 -13 12 01.19 V C57
2021-03-22 22:54:04 s 1 +148581.61 8 +239043.20 7520.0 C57
2021-03-22 23:04:04 S 11 28 29.690 -13 12 00.00 V C57
2021-03-22 23:04:04 s 1 +148354.77 9 +239634.85 4530.0 C57
2021-03-22 23:14:04 S 11 28 29.244 -13 11 59.93 V C57
2021-03-22 23:14:04 s 1 +148127.00 1 +240224.98 9620.0 C57
2021-03-22 23:24:04 S 11 28 28.459 -13 11 56.08 V C57
2021-03-22 23:24:04 s 1 +147898.29 0 +240813.60 2800.0 C57
2021-03-22 23:34:04 S 11 28 27.859 -13 11 55.82 V C57
2021-03-22 23:34:04 s 1 +147668.65 0 +241400.70 4080.0 C57
2021-03-22 23:44:04 S 11 28 27.554 -13 11 56.29 V C57
2021-03-22 23:44:04 s 1 +147438.08 7 +241986.29 3480.0 C57
2021-03-22 23:54:04 S 11 28 26.885 -13 11 55.72 V C57
2021-03-22 23:54:04 s 1 +147206.60 6 +242570.36 1010.0 C57
2021-03-23 00:04:04 S 11 28 26.162 -13 11 52.44 V C57
2021-03-23 00:04:04 s 1 +146974.21 1 +243152.93 6660.0 C57
2021-03-23 00:14:04 S 11 28 25.586 -13 11 50.32 V C57
2021-03-23 00:14:04 s 1 +146740.90 8 +243733.99 460.0 C57
2021-03-23 00:24:04 S 11 28 25.097 -13 11 47.40 V C57
2021-03-23 00:24:04 s 1 +146506.70 1 +244313.55 2420.0 C57
2021-03-23 00:34:04 S 11 28 24.223 -13 11 47.18 V C57
2021-03-23 00:34:04 s 1 +146271.59 6 +244891.61 2530.0 C57
2021-03-23 00:44:04 S 11 28 23.882 -13 11 45.89 V C57
2021-03-23 00:44:04 s 1 +146035.59 8 +245468.17 820.0 C57
2021-03-23 00:54:04 S 11 28 23.338 -13 11 48.77 V C57
2021-03-23 00:54:04 s 1 +145798.71 0 +246043.22 7290.0 C57
2021-03-23 01:04:04 S 11 28 22.553 -13 11 45.13 V C57
2021-03-23 01:04:04 s 1 +145560.93 9 +246616.79 1950.0 C57
2021-03-23 01:14:04 S 11 28 22.200 -13 11 44.88 V C57
2021-03-23 01:14:04 s 1 +145322.28 8 +247188.86 4810.0 C57
2021-03-23 01:24:04 S 11 28 21.602 -13 11 42.07 V C57
2021-03-23 01:24:04 s 1 +145082.76 3 +247759.44 5880.0 C57
2021-03-23 01:34:04 S 11 28 21.050 -13 11 41.24 V C57
2021-03-23 01:34:04 s 1 +144842.36 8 +248328.53 5170.0 C57
2021-03-23 01:44:04 S 11 28 20.146 -13 11 44.23 V C57
2021-03-23 01:44:04 s 1 +144601.10 8 +248896.14 2690.0 C57
2021-03-23 01:54:04 S 11 28 19.668 -13 11 39.59 V C57
2021-03-23 01:54:04 s 1 +144358.98 8 +249462.26 8440.0 C57
2021-03-23 02:04:04 S 11 28 19.294 -13 11 38.36 V 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)