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
2021-03-15 02:34:05 s 1 -117873.84 6 +345913.45 5460.0 C57
2021-03-15 02:54:05 S 11 40 26.215 -13 34 34.68 V C57
2021-03-15 02:54:05 s 1 -118513.19 3 +345407.86 2340.0 C57
2021-03-15 03:04:05 S 11 40 25.493 -13 34 31.44 V C57
2021-03-15 03:04:05 s 1 -118832.36 1 +345153.53 4870.0 C57
2021-03-15 03:14:05 S 11 40 24.821 -13 34 31.30 V C57
2021-03-15 03:14:05 s 1 -119151.19 1 +344898.18 6800.0 C57
2021-03-15 03:24:05 S 11 40 24.377 -13 34 30.65 V C57
2021-03-15 03:24:05 s 1 -119469.68 1 +344641.81 8120.0 C57
2021-03-15 03:34:05 S 11 40 23.590 -13 34 30.86 V C57
2021-03-15 03:34:05 s 1 -119787.83 0 +344384.42 8830.0 C57
2021-03-15 03:44:05 S 11 40 22.990 -13 34 30.11 V C57
2021-03-15 03:44:05 s 1 -120105.63 7 +344125.99 8920.0 C57
2021-03-15 04:04:05 S 11 40 21.744 -13 34 30.65 V C57
2021-03-15 04:04:05 s 1 -120740.21 7 +343606.08 7260.0 C57
2021-03-15 04:24:05 S 11 40 20.400 -13 34 25.72 V C57
2021-03-15 04:24:05 s 1 -121373.41 1 +343082.06 3110.0 C57
2021-03-15 05:14:05 S 11 40 17.124 -13 34 26.36 V C57
2021-03-15 05:14:05 s 1 -122950.26 3 +341754.06 1720.0 C57
2021-03-15 05:24:05 S 11 40 16.327 -13 34 23.45 V C57
2021-03-15 05:24:05 s 1 -123264.57 1 +341485.38 5530.0 C57
2021-03-15 05:34:05 S 11 40 15.931 -13 34 23.38 V C57
2021-03-15 05:34:05 s 1 -123578.52 2 +341215.67 8700.0 C57
2021-03-15 05:44:05 S 11 40 15.118 -13 34 20.82 V C57
2021-03-15 05:44:05 s 1 -123892.11 4 +340944.93 1220.0 C57
2021-03-15 05:54:05 S 11 40 14.419 -13 34 23.16 V C57
2021-03-15 05:54:05 s 1 -124205.34 6 +340673.16 3090.0 C57
2021-03-15 06:24:05 S 11 40 12.590 -13 34 19.85 V C57
2021-03-15 06:24:05 s 1 -125142.86 6 +339851.68 4790.0 C57
2021-03-15 06:34:05 S 11 40 11.918 -13 34 21.22 V C57
2021-03-15 06:34:05 s 1 -125454.64 4 +339575.79 4040.0 C57
2021-03-15 06:44:05 S 11 40 11.232 -13 34 18.19 V C57
2021-03-15 06:44:05 s 1 -125766.05 4 +339298.87 2630.0 C57
2021-03-15 07:04:05 S 11 40 09.662 -13 34 18.37 V C57
2021-03-15 07:04:05 s 1 -126387.76 8 +338741.93 7810.0 C57
2021-03-15 07:14:05 S 11 40 09.086 -13 34 10.24 V C57
2021-03-15 07:14:05 s 1 -126698.06 9 +338461.92 4400.0 C57
2021-03-15 07:24:05 S 11 40 08.570 -13 34 10.13 V C57
2021-03-15 07:24:05 s 1 -127007.99 7 +338180.87 310.0 C57
2021-03-15 07:54:05 S 11 40 07.032 -13 34 14.30 V C57
2021-03-15 07:54:05 s 1 -127935.53 1 +337331.52 3980.0 C57
2021-03-15 08:04:05 S 11 40 06.002 -13 34 10.13 V C57
2021-03-15 08:04:05 s 1 -128243.95 4 +337046.33 7180.0 C57
2021-03-15 08:14:05 S 11 40 05.266 -13 34 14.99 V C57
2021-03-15 08:14:05 s 1 -128551.99 7 +336760.11 9680.0 C57
2021-03-15 08:24:05 S 11 40 04.490 -13 34 06.42 V C57
2021-03-15 08:24:05 s 1 -128859.65 9 +336472.86 1500.0 C57
2021-03-15 08:34:05 S 11 40 04.159 -13 34 07.54 V C57
2021-03-15 08:34:05 s 1 -129166.93 8 +336184.57 2620.0 C57
2021-03-15 08:44:05 S 11 40 03.163 -13 34 10.85 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)