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JPL Small-Body Database Browser
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185809 (1999 VU218)
Classification: Outer Main-belt Asteroid          SPK-ID: 2185809
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707385368112523 4.9383e-08  
a 3.296888361582511 2.8298e-08 au
q 2.404293630537615 1.5937e-07 au
i 14.26369718070015 8.9755e-06 deg
node 197.8517219273628 2.7031e-05 deg
peri 243.7431035219061 3.4161e-05 deg
M 112.2838538068216 1.736e-05 deg
tp 2458318.523203837621
(2018-Jul-19.02320384)
0.00010413 TDB
period 2186.526720403151
5.99
2.8151e-05
7.707e-08
d
yr
n .1646446835708568 2.1197e-09 deg/d
Q 4.189483092627406 3.5959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:10:24  

Additional Information
 Earth MOID = 1.45836 au 
 Jupiter MOID = 1.46372 au 
 T_jup = 3.064 
[ 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 MPO436918  

185809 (1999 VU218)          Discovered 1999-Nov-03 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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