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JPL Small-Body Database Browser
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97188 (1999 WG12)
Classification: Main-belt Asteroid          SPK-ID: 2097188
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03147499980553149 5.4127e-08  
a 2.698341570775866 1.7243e-08 au
q 2.613411270360438 1.46e-07 au
i 6.161780725436172 5.1645e-06 deg
node 83.25321025780009 5.0137e-05 deg
peri 329.287459333349 9.2802e-05 deg
M 246.2401233173258 8.0862e-05 deg
tp 2459512.099869437614
(2021-Oct-24.59986944)
0.00036591 TDB
period 1618.988683604922
4.43
1.5519e-05
4.249e-08
d
yr
n .2223610354078608 2.1314e-09 deg/d
Q 2.783271871191294 1.7786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:13:04  

Additional Information
 Earth MOID = 1.62699 au 
 Jupiter MOID = 2.33505 au 
 T_jup = 3.360 
[ 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 15.4   n/a MPO474848  
diameter diameter 4.589 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97188 (1999 WG12)          Discovered 1999-Nov-28 by Spacewatch at Kitt Peak
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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