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187399 (2005 VB31)
Classification: Main-belt Asteroid          SPK-ID: 2187399
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223750993553836 5.3969e-08  
a 2.765824458489663 2.3223e-08 au
q 2.42735641558244 1.5473e-07 au
i 6.234110122593838 5.2176e-06 deg
node 65.9976048959897 5.1387e-05 deg
peri 268.2789868446648 5.6792e-05 deg
M 175.0191993149213 2.7635e-05 deg
tp 2458383.694717073336
(2018-Sep-22.19471707)		 0.00012664 TDB
period 1680.100828963911
4.60		 2.116e-05
5.793e-08		 d
yr
n .2142728542203063 2.6987e-09 deg/d
Q 3.104292501396885 2.6065e-08 au
   Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      10711 days (29.33 yr)  
   first obs. used      1991-11-08  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:15  

Additional Information
 Earth MOID = 1.42553 au 
 Jupiter MOID = 2.25482 au 
 T_jup = 3.320 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO454291  

187399 (2005 VB31)          Discovered 2005-Nov-04 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 VB31 = 2004 NN22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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