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JPL Small-Body Database Browser
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442549 (2011 YA45)
Classification: Main-belt Asteroid          SPK-ID: 2442549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08144165836733666 7.8059e-08  
a 3.169647917188396 7.0424e-08 au
q 2.911506534371998 2.168e-07 au
i 9.874656147903565 9.6479e-06 deg
node 283.679339098275 5.6038e-05 deg
peri 162.9204451033854 0.00010723 deg
M 203.2229213636261 9.4307e-05 deg
tp 2459898.125185006214
(2022-Nov-14.62518501)
0.00055868 TDB
period 2061.175456341639
5.64
6.8693e-05
1.881e-07
d
yr
n .1746576201906463 5.8208e-09 deg/d
Q 3.427789300004794 7.6159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      4919 days (13.47 yr)  
   first obs. used      2005-12-06  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:45  

Additional Information
 Earth MOID = 1.92961 au 
 Jupiter MOID = 1.75709 au 
 T_jup = 3.174 
[ 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 15.7   n/a MPO437721  

442549 (2011 YA45)          Discovered 2005-Dec-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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