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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03024984119485252 6.8075e-08  
a 3.079090298479675 4.9e-08 au
q 2.985948305926054 2.1991e-07 au
i 11.89868529938396 8.2015e-06 deg
node 113.6150369757766 3.6076e-05 deg
peri 359.6083821338348 0.00017806 deg
M 67.1065606140513 0.00016855 deg
tp 2459028.629853894552
(2020-Jun-28.12985389)
0.00092541 TDB
period 1973.476980285464
5.40
4.7108e-05
1.29e-07
d
yr
n .1824191534009816 4.3545e-09 deg/d
Q 3.172232291033296 5.0482e-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-Jul-09 09:00:54  

Additional Information
 Earth MOID = 2.00283 au 
 Jupiter MOID = 1.90826 au 
 T_jup = 3.195 
[ 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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