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
2021-03-11 10:44:05 S 11 46 00.792 -13 38 57.52 V C57
2021-03-11 10:44:05 s 1 +70818.165 0 +337877.70 7190.0 C57
2021-03-11 10:54:05 S 11 46 00.312 -13 38 58.92 V C57
2021-03-11 10:54:05 s 1 +70470.517 0 +338172.34 8910.0 C57
2021-03-11 11:04:05 S 11 45 59.729 -13 38 49.78 V C57
2021-03-11 11:04:05 s 1 +70122.616 0 +338465.80 30.0 C57
2021-03-11 11:14:05 S 11 45 59.016 -13 38 58.70 V C57
2021-03-11 11:14:05 s 1 +69774.466 0 +338758.09 550.0 C57
2021-03-11 11:24:05 S 11 45 58.296 -13 38 53.05 V C57
2021-03-11 11:24:05 s 1 +69426.066 0 +339049.20 470.0 C57
2021-03-11 11:34:05 S 11 45 57.816 -13 38 54.06 V C57
2021-03-11 11:34:05 s 1 +69077.419 0 +339339.14 9810.0 C57
2021-03-11 11:44:05 S 11 45 57.043 -13 38 55.00 V C57
2021-03-11 11:44:05 s 1 +68728.527 0 +339627.90 8550.0 C57
2021-03-11 11:54:05 S 11 45 56.239 -13 38 53.30 V C57
2021-03-11 11:54:05 s 1 +68379.390 0 +339915.49 6710.0 C57
2021-03-11 12:14:05 S 11 45 55.327 -13 38 52.51 V C57
2021-03-11 12:14:05 s 1 +67680.391 0 +340487.17 1290.0 C57
2021-03-11 12:34:05 S 11 45 54.022 -13 38 54.92 V C57
2021-03-11 12:34:05 s 1 +66980.436 0 +341054.16 3570.0 C57
2021-03-11 12:44:05 S 11 45 53.429 -13 38 52.33 V C57
2021-03-11 12:44:05 s 1 +66630.104 0 +341335.91 8860.0 C57
2021-03-11 12:54:05 S 11 45 52.754 -13 38 51.94 V C57
2021-03-11 12:54:05 s 1 +66279.314 0 +341616.40 3010.0 C57
2021-03-11 13:04:05 S 11 45 52.039 -13 38 52.94 V C57
2021-03-11 13:04:05 s 1 +65918.724 0 +341891.75 2140.0 C57
2021-03-11 13:14:05 S 11 45 51.530 -13 38 52.19 V C57
2021-03-11 13:14:05 s 1 +65568.193 0 +342170.20 7020.0 C57
2021-03-11 13:24:05 S 11 45 50.770 -13 38 52.26 V C57
2021-03-11 13:24:05 s 1 +65216.920 0 +342447.27 40.0 C57
2021-03-11 13:44:05 S 11 45 49.615 -13 38 50.86 V C57
2021-03-11 13:44:05 s 1 +64513.686 0 +342997.93 4410.0 C57
2021-03-11 13:54:05 S 11 45 49.111 -13 38 49.85 V C57
2021-03-11 13:54:05 s 1 +64161.731 0 +343271.52 5780.0 C57
2021-03-11 14:04:05 S 11 45 48.629 -13 38 51.40 V C57
2021-03-11 14:04:05 s 1 +63809.552 0 +343543.96 6600.0 C57
2021-03-11 14:14:05 S 11 45 48.048 -13 38 49.99 V C57
2021-03-11 14:14:05 s 1 +63457.152 0 +343815.24 6880.0 C57
2021-03-11 14:24:05 S 11 45 47.422 -13 38 48.98 V C57
2021-03-11 14:24:05 s 1 +63104.531 0 +344085.36 6630.0 C57
2021-03-11 14:34:05 S 11 45 46.613 -13 38 47.80 V C57
2021-03-11 14:34:05 s 1 +62751.691 0 +344354.32 5850.0 C57
2021-03-11 14:44:05 S 11 45 45.970 -13 38 47.44 V C57
2021-03-11 14:44:05 s 1 +62398.634 0 +344622.14 4530.0 C57
2021-03-11 14:54:05 S 11 45 45.408 -13 38 46.97 V C57
2021-03-11 14:54:05 s 1 +62045.361 0 +344888.80 2690.0 C57
2021-03-11 15:04:05 S 11 45 44.678 -13 38 49.34 V C57
2021-03-11 15:04:05 s 1 +61691.873 0 +345154.31 330.0 C57
2021-03-11 15:14:05 S 11 45 44.249 -13 38 46.72 V C57
2021-03-11 15:14:05 s 1 +61338.173 0 +345418.67 7440.0 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)