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97254 (1999 XK112)
Classification: Main-belt Asteroid          SPK-ID: 2097254
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348389916826619 4.3758e-08  
a 2.805819175233131 1.567e-08 au
q 2.427485346800817 1.2403e-07 au
i 6.419377972337704 5.3565e-06 deg
node 350.8113821611807 4.0637e-05 deg
peri 152.3033625991648 4.4907e-05 deg
M 95.95899068443201 1.8798e-05 deg
tp 2458542.915699307092
(2019-Feb-28.41569931)
8.8504e-05 TDB
period 1716.674457229073
4.70
1.4381e-05
3.937e-08
d
yr
n .2097077861699445 1.7567e-09 deg/d
Q 3.184153003665444 1.7783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-03-12  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:08  

Additional Information
 Earth MOID = 1.44181 au 
 Jupiter MOID = 1.82757 au 
 T_jup = 3.301 
[ 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 15.1   n/a MPO474849  
diameter diameter 4.063 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97254 (1999 XK112)          Discovered 1999-Dec-10 by LINEAR at Socorro
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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