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JPL Small-Body Database Browser
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185810 (1999 VH220)
Classification: Main-belt Asteroid          SPK-ID: 2185810
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 .09812246810052695 5.0419e-08  
a 3.102802160006565 3.3148e-08 au
q 2.798347554039075 1.5492e-07 au
i 9.689822621556603 6.7816e-06 deg
node 202.7242797098389 3.1067e-05 deg
peri 240.3708952005562 4.521e-05 deg
M 214.2776539319532 3.3498e-05 deg
tp 2459808.577860682734
(2022-Aug-17.07786068)
0.00018923 TDB
period 1996.3172272147
5.47
3.199e-05
8.758e-08
d
yr
n .18033206100329 2.8898e-09 deg/d
Q 3.407256765974056 3.64e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:53:06  

Additional Information
 Earth MOID = 1.82932 au 
 Jupiter MOID = 1.91681 au 
 T_jup = 3.192 
[ 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 15.5   n/a MPO475565  

185810 (1999 VH220)          Discovered 1999-Nov-03 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 VH220 = 2002 GQ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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