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JPL Small-Body Database Browser
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185811 (1999 VA230)
Classification: Main-belt Asteroid          SPK-ID: 2185811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05572803320156636 4.774e-08  
a 2.254406336198422 1.0308e-08 au
q 2.128772705044935 1.0709e-07 au
i 5.163432484997617 4.7128e-06 deg
node 240.4368844955725 5.4327e-05 deg
peri 108.9299946916876 7.1047e-05 deg
M 83.49941553544296 4.3327e-05 deg
tp 2458713.734001495037
(2019-Aug-18.23400149)
0.00014913 TDB
period 1236.365054770548
3.38
8.4797e-06
2.322e-08
d
yr
n .2911761365390669 1.9971e-09 deg/d
Q 2.38003996735191 1.0882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      7323 days (20.05 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:08:36  

Additional Information
 Earth MOID = 1.12926 au 
 Jupiter MOID = 2.81327 au 
 T_jup = 3.617 
[ 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 16.9   n/a MPO418003  

185811 (1999 VA230)          Discovered 1999-Nov-09 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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