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172361 (2002 XK51)
Classification: Main-belt Asteroid          SPK-ID: 2172361
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913605031080536 8.8221e-08  
a 2.91892532019437 4.446e-08 au
q 2.360358302387139 2.5159e-07 au
i 14.73521509280098 9.1485e-06 deg
node 83.19080323740317 3.3119e-05 deg
peri 279.3962162102613 4.7636e-05 deg
M 235.3125691994783 4.7124e-05 deg
tp 2459631.389178627979
(2022-Feb-20.88917863)
0.00024866 TDB
period 1821.515631911811
4.99
4.1617e-05
1.139e-07
d
yr
n .1976376121582631 4.5156e-09 deg/d
Q 3.477492338001601 5.2968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6470 days (17.71 yr)  
   first obs. used      2001-07-21  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:16:05  

Additional Information
 Earth MOID = 1.41289 au 
 Jupiter MOID = 2.20682 au 
 T_jup = 3.205 
[ 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 MPO433106  
diameter diameter 5.400 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172361 (2002 XK51)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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