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JPL Small-Body Database Browser
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173331 (1999 VS187)
Classification: Main-belt Asteroid          SPK-ID: 2173331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314533142075319 4.686e-08  
a 2.459413973930653 1.5828e-08 au
q 2.136115856049152 1.1634e-07 au
i 11.27752418072952 4.3411e-06 deg
node 67.05067885833969 3.8786e-05 deg
peri 28.66788877544598 5.0144e-05 deg
M 341.8660045685623 3.2577e-05 deg
tp 2458671.463803150440
(2019-Jul-06.96380315)
0.00012771 TDB
period 1408.788770833668
3.86
1.3599e-05
3.723e-08
d
yr
n .2555386637465641 2.4668e-09 deg/d
Q 2.782712091812153 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      7010 days (19.19 yr)  
   first obs. used      1999-11-15  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:30:17  

Additional Information
 Earth MOID = 1.15918 au 
 Jupiter MOID = 2.43904 au 
 T_jup = 3.452 
[ 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 16.0   n/a MPO264384  
diameter diameter 4.516 km 1.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.034   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

173331 (1999 VS187)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 VS187 = 2003 WB138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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