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JPL Small-Body Database Browser
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268472 (2005 XK31)
Classification: Main-belt Asteroid          SPK-ID: 2268472
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388088776709007 6.9505e-08  
a 2.599610562968573 2.8297e-08 au
q 2.238761538341487 1.8454e-07 au
i 3.124146784125214 6.8693e-06 deg
node 159.8498747456772 9.4872e-05 deg
peri 203.0892520459176 9.6555e-05 deg
M 138.9477012315002 1.6528e-05 deg
tp 2458009.605793781952
(2017-Sep-13.10579378)
7.0661e-05 TDB
period 1530.949503684715
4.19
2.4996e-05
6.844e-08
d
yr
n .2351481868824189 3.8394e-09 deg/d
Q 2.960459587595659 3.2224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2000-07-30  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51534  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:29:17  

Additional Information
 Earth MOID = 1.23562 au 
 Jupiter MOID = 2.48868 au 
 T_jup = 3.399 
[ 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 16.7   n/a MPO437234  

268472 (2005 XK31)          Discovered 2005-Dec-01 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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