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97309 (1999 XG196)
Classification: Main-belt Asteroid          SPK-ID: 2097309
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052452466581716 6.2663e-08  
a 2.758544757875233 1.7931e-08 au
q 2.192366558627524 1.6981e-07 au
i 10.00608465703435 7.0441e-06 deg
node 45.35571171616746 2.5962e-05 deg
peri 143.6970013323105 3.004e-05 deg
M 12.86981092215691 1.1279e-05 deg
tp 2458540.674250956962
(2019-Feb-26.17425096)
5.2571e-05 TDB
period 1673.472111265811
4.58
1.6317e-05
4.467e-08
d
yr
n .2151216011169118 2.0975e-09 deg/d
Q 3.324722957122942 2.1611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:26  

Additional Information
 Earth MOID = 1.20109 au 
 Jupiter MOID = 1.65727 au 
 T_jup = 3.290 
[ 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 14.4   n/a MPO257456  
diameter diameter 5.434 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97309 (1999 XG196)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XG196 = 2002 QY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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