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JPL Small-Body Database Browser
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469909 (2005 YR42)
Classification: Main-belt Asteroid          SPK-ID: 2469909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398450892683932 9.9928e-08  
a 2.62784414148814 3.0685e-08 au
q 2.260353042938307 2.617e-07 au
i 11.74314848057354 9.1137e-06 deg
node 282.300077137596 4.7175e-05 deg
peri 259.4929383234295 6.0074e-05 deg
M 348.5883366877804 3.3015e-05 deg
tp 2458649.822409104491
(2019-Jun-15.32240910)
0.00014276 TDB
period 1555.957864494965
4.26
2.7253e-05
7.461e-08
d
yr
n .2313687331866466 4.0525e-09 deg/d
Q 2.995335240037973 3.4976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      4814 days (13.18 yr)  
   first obs. used      2005-12-24  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64098  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:14:31  

Additional Information
 Earth MOID = 1.29957 au 
 Jupiter MOID = 2.14492 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO434692  

469909 (2005 YR42)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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