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JPL Small-Body Database Browser
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295536 (2008 RD138)
Classification: Main-belt Asteroid          SPK-ID: 2295536
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120283507505718 6.3982e-08  
a 3.041372376495567 3.7735e-08 au
q 2.700652445138421 1.8694e-07 au
i 8.759273876183546 5.7396e-06 deg
node 271.7927877976555 3.5395e-05 deg
peri 30.81932874852414 4.4041e-05 deg
M 128.1702025110768 2.5141e-05 deg
tp 2458310.756856058298
(2018-Jul-11.25685606)
0.00013592 TDB
period 1937.326515478927
5.30
3.6055e-05
9.871e-08
d
yr
n .1858230902863601 3.4583e-09 deg/d
Q 3.382092307852712 4.1962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5944 days (16.27 yr)  
   first obs. used      2003-10-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:45  

Additional Information
 Earth MOID = 1.68942 au 
 Jupiter MOID = 1.82216 au 
 T_jup = 3.213 
[ 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 15.5   n/a MPO455184  

295536 (2008 RD138)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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