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
2021-03-14 17:54:05 s 1 -100810.87 0 +357631.58 5380.0 C57
2021-03-14 18:04:05 S 11 41 00.838 -13 35 07.15 V C57
2021-03-14 18:04:05 s 1 -101146.43 9 +357432.02 6940.0 C57
2021-03-14 18:14:05 S 11 41 00.053 -13 35 07.51 V C57
2021-03-14 18:14:05 s 1 -101481.73 7 +357231.45 8020.0 C57
2021-03-14 18:24:05 S 11 40 59.424 -13 35 10.93 V C57
2021-03-14 18:24:05 s 1 -101816.76 2 +357029.87 8620.0 C57
2021-03-14 18:34:05 S 11 40 58.730 -13 35 06.25 V C57
2021-03-14 18:34:05 s 1 -102151.51 3 +356827.29 8750.0 C57
2021-03-14 18:44:05 S 11 40 57.965 -13 35 06.58 V C57
2021-03-14 18:44:05 s 1 -102485.98 9 +356623.69 8390.0 C57
2021-03-14 18:54:05 S 11 40 57.502 -13 35 08.70 V C57
2021-03-14 18:54:05 s 1 -102820.18 8 +356419.09 7550.0 C57
2021-03-14 19:04:05 S 11 40 56.935 -13 35 06.11 V C57
2021-03-14 19:04:05 s 1 -103154.11 1 +356213.49 6230.0 C57
2021-03-14 19:14:05 S 11 40 56.227 -13 35 03.37 V C57
2021-03-14 19:14:05 s 1 -103487.75 4 +356006.87 4420.0 C57
2021-03-14 19:24:05 S 11 40 55.486 -13 35 03.08 V C57
2021-03-14 19:24:05 s 1 -103821.11 7 +355799.25 2120.0 C57
2021-03-14 19:34:05 S 11 40 54.751 -13 35 01.18 V C57
2021-03-14 19:34:05 s 1 -104154.20 0 +355590.62 9330.0 C57
2021-03-14 19:44:05 S 11 40 54.257 -13 34 59.84 V C57
2021-03-14 19:44:05 s 1 -104487.00 0 +355380.97 6040.0 C57
2021-03-14 19:54:05 S 11 40 53.510 -13 35 00.89 V C57
2021-03-14 19:54:05 s 1 -104819.51 7 +355170.32 2250.0 C57
2021-03-14 20:04:05 S 11 40 52.889 -13 35 04.31 V C57
2021-03-14 20:04:05 s 1 -105151.74 9 +354958.66 7970.0 C57
2021-03-14 20:14:05 S 11 40 52.231 -13 35 01.57 V C57
2021-03-14 20:14:05 s 1 -105483.69 6 +354745.99 3180.0 C57
2021-03-14 20:24:05 S 11 40 51.744 -13 34 59.20 V C57
2021-03-14 20:24:05 s 1 -105815.35 6 +354532.31 7890.0 C57
2021-03-14 20:34:05 S 11 40 50.851 -13 34 56.28 V C57
2021-03-14 20:34:05 s 1 -106146.72 7 +354317.62 2090.0 C57
2021-03-14 20:44:05 S 11 40 50.227 -13 34 56.21 V C57
2021-03-14 20:44:05 s 1 -106477.80 9 +354101.92 5780.0 C57
2021-03-14 20:54:05 S 11 40 49.584 -13 34 56.75 V C57
2021-03-14 20:54:05 s 1 -106808.60 0 +353885.21 8960.0 C57
2021-03-14 21:04:05 S 11 40 49.135 -13 34 55.81 V C57
2021-03-14 21:04:05 s 1 -107139.10 0 +353667.49 1630.0 C57
2021-03-14 21:14:05 S 11 40 48.077 -13 34 56.21 V C57
2021-03-14 21:14:05 s 1 -107469.30 7 +353448.75 3780.0 C57
2021-03-14 21:24:05 S 11 40 47.714 -13 34 56.93 V C57
2021-03-14 21:24:05 s 1 -107799.21 9 +353229.01 5410.0 C57
2021-03-14 21:34:05 S 11 40 47.021 -13 34 52.18 V C57
2021-03-14 21:34:05 s 1 -108128.83 6 +353008.25 6520.0 C57
2021-03-14 21:54:05 S 11 40 45.773 -13 34 55.27 V C57
2021-03-14 21:54:05 s 1 -108787.17 9 +352563.69 7170.0 C57
2021-03-14 22:04:05 S 11 40 44.858 -13 34 53.40 V C57
2021-03-14 22:04:05 s 1 -109115.90 3 +352339.90 6710.0 C57
2021-03-14 22:14:05 S 11 40 44.491 -13 34 52.68 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)