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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530824508454844 9.3298e-08  
a 3.146889167045351 5.213e-08 au
q 2.665155660814943 2.8282e-07 au
i 1.722578989547146 1.2162e-05 deg
node 146.0579215230252 0.00026298 deg
peri 333.275115929953 0.00026851 deg
M 299.1238131812629 5.0055e-05 deg
tp 2458945.298635385222
(2020-Apr-05.79863538)
0.00028819 TDB
period 2039.01583238579
5.58
5.0666e-05
1.387e-07
d
yr
n .1765557649342895 4.3871e-09 deg/d
Q 3.628622673275758 6.011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      1998-01-26  
   last obs. used      2017-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:43:21  

Additional Information
 Earth MOID = 1.68167 au 
 Jupiter MOID = 1.46173 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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