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JPL Small-Body Database Browser
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185561 (2008 AV31)
Classification: Main-belt Asteroid          SPK-ID: 2185561
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744795076028199 4.7512e-08  
a 3.114192346318171 2.8461e-08 au
q 2.570829599152106 1.4947e-07 au
i 10.30508969630293 5.6655e-06 deg
node 119.6623073592169 2.7841e-05 deg
peri 336.6177101461237 3.1944e-05 deg
M 102.9547351515387 1.4202e-05 deg
tp 2458426.435882923907
(2018-Nov-03.93588292)
7.8584e-05 TDB
period 2007.319836656437
5.50
2.7518e-05
7.534e-08
d
yr
n .1793436170090595 2.4586e-09 deg/d
Q 3.657555093484236 3.3427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1992-03-05  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59915  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:07:39  

Additional Information
 Earth MOID = 1.5913 au 
 Jupiter MOID = 1.52564 au 
 T_jup = 3.170 
[ 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 15.6   n/a MPO422723  

185561 (2008 AV31)          Discovered 2008-Jan-12 by OAM at OAM
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2008 AV31 = 2005 NS10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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