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JPL Small-Body Database Browser
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249991 (2001 XX65)
Classification: Main-belt Asteroid          SPK-ID: 2249991
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079191493405249 5.3e-08  
a 2.847102650791965 2.2394e-08 au
q 2.255135489554147 1.528e-07 au
i 12.17385568928747 5.4105e-06 deg
node 272.37050732 2.612e-05 deg
peri 121.8628753674406 2.9731e-05 deg
M 268.7138606732579 1.3285e-05 deg
tp 2459045.444102623781
(2020-Jul-14.94410262)		 6.6997e-05 TDB
period 1754.700966936794
4.80		 2.0702e-05
5.668e-08		 d
yr
n .2051631627173815 2.4206e-09 deg/d
Q 3.439069812029784 2.705e-08 au
   Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      6470 days (17.71 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:27  

Additional Information
 Earth MOID = 1.28935 au 
 Jupiter MOID = 2.08604 au 
 T_jup = 3.242 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO454854  
diameter diameter 3.944 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249991 (2001 XX65)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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