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
2021-03-24 03:24:04 s 1 +99470.130 0 +319741.73 4280.0 C57
2021-03-24 03:34:04 S 11 26 48.554 -13 08 15.97 V C57
2021-03-24 03:34:04 s 1 +99137.639 0 +320100.84 2020.0 C57
2021-03-24 03:44:04 S 11 26 48.036 -13 08 10.97 V C57
2021-03-24 03:44:04 s 1 +98804.770 0 +320458.72 8960.0 C57
2021-03-24 04:14:04 S 11 26 46.145 -13 08 11.54 V C57
2021-03-24 04:14:04 s 1 +97803.915 0 +321525.01 5000.0 C57
2021-03-24 04:24:04 S 11 26 45.857 -13 08 08.52 V C57
2021-03-24 04:24:04 s 1 +97469.554 0 +321877.99 8770.0 C57
2021-03-24 04:34:04 S 11 26 45.101 -13 08 08.48 V C57
2021-03-24 04:34:04 s 1 +97134.825 0 +322229.75 1750.0 C57
2021-03-24 04:44:04 S 11 26 44.618 -13 08 06.72 V C57
2021-03-24 04:44:04 s 1 +96799.731 0 +322580.29 3950.0 C57
2021-03-24 04:54:04 S 11 26 43.937 -13 08 04.99 V C57
2021-03-24 04:54:04 s 1 +96464.272 0 +322929.61 5380.0 C57
2021-03-24 05:04:04 S 11 26 43.217 -13 08 03.66 V C57
2021-03-24 05:04:04 s 1 +96128.452 0 +323277.71 6030.0 C57
2021-03-24 05:14:04 S 11 26 42.816 -13 08 03.16 V C57
2021-03-24 05:14:04 s 1 +95792.272 0 +323624.59 5920.0 C57
2021-03-24 05:24:04 S 11 26 42.026 -13 08 00.64 V C57
2021-03-24 05:24:04 s 1 +95455.734 0 +323970.26 5040.0 C57
2021-03-24 05:34:04 S 11 26 41.626 -13 07 57.25 V C57
2021-03-24 05:34:04 s 1 +95118.840 0 +324314.71 3410.0 C57
2021-03-24 05:44:04 S 11 26 41.011 -13 07 57.65 V C57
2021-03-24 05:44:04 s 1 +94781.593 0 +324657.95 1020.0 C57
2021-03-24 06:04:04 S 11 26 39.941 -13 07 58.58 V C57
2021-03-24 06:04:04 s 1 +94106.044 0 +325340.78 3990.0 C57
2021-03-24 06:14:04 S 11 26 39.101 -13 07 51.53 V C57
2021-03-24 06:14:04 s 1 +93767.747 0 +325680.38 9360.0 C57
2021-03-24 06:24:04 S 11 26 38.810 -13 07 56.50 V C57
2021-03-24 06:24:04 s 1 +93429.104 0 +326018.77 3990.0 C57
2021-03-24 06:34:04 S 11 26 38.088 -13 07 51.28 V C57
2021-03-24 06:34:04 s 1 +93090.117 0 +326355.96 7890.0 C57
2021-03-24 06:44:04 S 11 26 37.301 -13 07 50.20 V C57
2021-03-24 06:44:04 s 1 +92750.788 0 +326691.93 1050.0 C57
2021-03-24 07:14:04 S 11 26 35.892 -13 07 51.46 V C57
2021-03-24 07:14:04 s 1 +91730.768 0 +327692.63 6190.0 C57
2021-03-24 07:24:04 S 11 26 35.170 -13 07 44.58 V C57
2021-03-24 07:24:04 s 1 +91390.090 0 +328023.79 6470.0 C57
2021-03-24 10:14:04 S 11 26 24.989 -13 07 20.28 V C57
2021-03-24 10:14:04 s 1 +85549.220 0 +333470.52 5300.0 C57
2021-03-24 10:34:04 S 11 26 23.599 -13 07 18.48 V C57
2021-03-24 10:34:04 s 1 +84856.164 0 +334088.73 720.0 C57
2021-03-24 10:44:04 S 11 26 23.282 -13 07 15.38 V C57
2021-03-24 10:44:04 s 1 +84509.188 0 +334396.06 7460.0 C57
2021-03-24 10:54:04 S 11 26 22.543 -13 07 20.46 V C57
2021-03-24 10:54:04 s 1 +84161.917 0 +334702.22 3570.0 C57
2021-03-24 11:04:04 S 11 26 21.802 -13 07 15.17 V C57
2021-03-24 11:04:04 s 1 +83814.351 0 +335007.19 9040.0 C57
2021-03-24 11:14:04 S 11 26 21.362 -13 07 17.94 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)