Asteroid Radar Database
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11398 (1998 YP11)
Classification: AMO [NEO]
H:16.33 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 Feb Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO600179 (heliocentric ecliptic J2000)
Element Value Units
e 0.3887717
a 1.7209268 AU
i 15.02583 deg
om 144.78532 deg
w 74.67245 deg
ma 303.13355 deg
n 0.43657661 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
2017-03-15 23:53:00 0.27882 278.3 7.6
2017-06-16 10:22:00 0.28905 288.5 6.7
2026-03-03 02:29:00 0.41987 419.0 1.8
2026-06-25 07:01:00 0.38989 389.1 2.4

Link to complete Close-Approach Data on SBDB at JPL