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JPL Small-Body Database Browser
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379118 (2008 YA138)
Classification: Main-belt Asteroid          SPK-ID: 2379118
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529916179792845 8.9485e-08  
a 3.147014886567838 4.8858e-08 au
q 2.66554798726693 2.7465e-07 au
i 1.722707664341778 1.1868e-05 deg
node 146.0493521551703 0.00026008 deg
peri 333.1841045513034 0.0002653 deg
M 9.814952137531845 4.8093e-05 deg
tp 2458944.905438620770
(2020-Apr-05.40543862)
0.00027177 TDB
period 2039.138022893667
5.58
4.7487e-05
1.3e-07
d
yr
n .1765451852489794 4.1114e-09 deg/d
Q 3.628481785868746 5.6333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      8014 days (21.94 yr)  
   first obs. used      1998-01-26  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:35:06  

Additional Information
 Earth MOID = 1.68175 au 
 Jupiter MOID = 1.46081 au 
 T_jup = 3.190 
[ 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 16.6   n/a MPO418927  

379118 (2008 YA138)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2008 YA138 = 1998 BD31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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