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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03281056396182121 5.4606e-08  
a 2.695950457048365 1.7064e-08 au
q 2.607494802139478 1.4814e-07 au
i 6.164971020698648 5.2741e-06 deg
node 83.25910728523087 5.0917e-05 deg
peri 328.5895595760527 9.1006e-05 deg
M 158.0315165068994 7.7636e-05 deg
tp 2457890.746579310174
(2017-May-17.24657931)
0.00034591 TDB
period 1616.837179672209
4.43
1.5351e-05
4.203e-08
d
yr
n .22265692830801 2.114e-09 deg/d
Q 2.784406111957251 1.7624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7120 days (19.49 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:09  

Additional Information
 Earth MOID = 1.62058 au 
 Jupiter MOID = 2.34181 au 
 T_jup = 3.361 
[ 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 15.3   n/a MPO436448  
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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