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JPL Small-Body Database Browser
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91908 (1999 VK27)
Classification: Main-belt Asteroid          SPK-ID: 2091908
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095751330706999 6.3273e-08  
a 3.120387537527957 2.3455e-08 au
q 2.778470657871178 2.0549e-07 au
i 7.985238421889536 6.5568e-06 deg
node 8.34006488215954 2.7334e-05 deg
peri 3.828940683447164 3.2921e-05 deg
M 285.8329714000683 2.0414e-05 deg
tp 2459415.281719935134
(2021-Jul-19.78171994)
0.00011674 TDB
period 2013.312680788536
5.51
2.2701e-05
6.215e-08
d
yr
n .1788097812303065 2.0161e-09 deg/d
Q 3.462304417184737 2.6026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1581  
   data-arc span      7237 days (19.81 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:05:10  

Additional Information
 Earth MOID = 1.77857 au 
 Jupiter MOID = 2.00238 au 
 T_jup = 3.192 
[ 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 13.4   n/a MPO474798  
diameter diameter 12.576 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91908 (1999 VK27)          Discovered 1999-Nov-03 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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