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JPL Small-Body Database Browser
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295428 (2008 KW31)
Classification: Main-belt Asteroid          SPK-ID: 2295428
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167809056305982 5.0345e-08  
a 3.059558257349291 4.9148e-08 au
q 2.702260273226466 1.5196e-07 au
i 7.137738490869762 6.7482e-06 deg
node 158.1652781963551 4.3905e-05 deg
peri 101.7211828503913 5.3241e-05 deg
M .1270578473131079 3.1355e-05 deg
tp 2458599.810101009153
(2019-Apr-26.31010101)
0.00017024 TDB
period 1954.728825942001
5.35
4.7101e-05
1.29e-07
d
yr
n .1841687681801658 4.4377e-09 deg/d
Q 3.416856241472116 5.4888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2002-03-06  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:06  

Additional Information
 Earth MOID = 1.69842 au 
 Jupiter MOID = 1.69348 au 
 T_jup = 3.212 
[ 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 15.8   n/a MPO440401  

295428 (2008 KW31)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
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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