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541417 (2011 HO45)
Classification: Main-belt Asteroid          SPK-ID: 2541417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03028746102018582 6.8144e-08  
a 3.079631462581858 4.8932e-08 au
q 2.986357244702372 2.2016e-07 au
i 11.89895122632256 8.2017e-06 deg
node 113.6168915935463 3.6071e-05 deg
peri 359.9759676677683 0.00017776 deg
M 30.99847826139855 0.00016837 deg
tp 2459030.525245554753
(2020-Jun-30.02524555)
0.00092391 TDB
period 1973.997274456145
5.40
4.7047e-05
1.288e-07
d
yr
n .1823710724723181 4.3465e-09 deg/d
Q 3.172905680461344 5.0414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4504 days (12.33 yr)  
   first obs. used      2008-12-02  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:19  

Additional Information
 Earth MOID = 2.00273 au 
 Jupiter MOID = 1.90752 au 
 T_jup = 3.194 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.69   n/a MPCxxxxx  

541417 (2011 HO45)          Discovered 2010-Feb-16 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 HO45 = 2015 AA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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