Minor Planet Radar Database
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3122 Florence (1981 ET3)
Classification: AMO [NEO, PHA]
H:14.1 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2017 Aug Goldstone Goldstone 8560 [G]
2017 Aug Arecibo Arecibo 2380 [A]
2017 Aug DSS24/DSS25/DSS26 phased array Goldstone DSS-13 7190 [DSS24/DSS25/DSS26-DSS13]
2017 Aug Goldstone Australian Telescope Compact Array 8560 [G-ATCA]
2017 Aug Canberra DSS-36 Australian Telescope Compact Array 7190 DSS36-ATCA
2017 Aug Goldstone Badary 8560 [G-Bd]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO473808 (heliocentric ecliptic J2000)
Element Value Units
e 0.4230601
a 1.7688895 AU
i 22.1424 deg
om 336.08044 deg
w 27.84121 deg
ma 242.87208 deg
n 0.41894114 deg/d

Link to complete orbital information at Minor Planet Center

Earth Close-Approach Data (+/- 10 years)
date nominal distance RTT SNR/run at Arecibo
2010-08-11 12:57:00 0.33884 338.2 6.8
2017-09-01 12:06:00 0.04724 47.1 6445.4
2024-10-01 03:49:00 0.38169 380.9 4.5

Link to complete Close-Approach Data on SBDB at JPL