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JPL Small-Body Database Browser
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305510 (2008 EX148)
Classification: Main-belt Asteroid          SPK-ID: 2305510
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458014745047687 5.4574e-08  
a 3.081672333514121 3.3714e-08 au
q 2.632359963347211 1.6936e-07 au
i 2.678328068150994 5.5541e-06 deg
node 259.7459843231762 0.00015868 deg
peri 203.5437788916274 0.00016151 deg
M 164.599952312153 2.9181e-05 deg
tp 2458097.047507788554
(2017-Dec-09.54750779)
0.00015365 TDB
period 1975.959850701043
5.41
3.2426e-05
8.878e-08
d
yr
n .1821899366387819 2.9898e-09 deg/d
Q 3.53098470368103 3.863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6312 days (17.28 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:23  

Additional Information
 Earth MOID = 1.64951 au 
 Jupiter MOID = 1.62141 au 
 T_jup = 3.210 
[ 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 16.3   n/a MPO476361  

305510 (2008 EX148)          Discovered 2008-Mar-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 EX148 = 2006 YX47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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