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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078710654966306 5.2912e-08  
a 2.844974081455255 2.1886e-08 au
q 2.253586287832853 1.5287e-07 au
i 12.17531404479785 5.4105e-06 deg
node 272.37196650 2.6124e-05 deg
peri 122.0738812405228 2.9743e-05 deg
M 350.6396543125424 1.3719e-05 deg
tp 2459046.072755178703
(2020-Jul-15.57275518)		 6.7038e-05 TDB
period 1752.733543411403
4.80		 2.0226e-05
5.538e-08		 d
yr
n .2053934560408539 2.3701e-09 deg/d
Q 3.436361875077657 2.6436e-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 = 1.28828 au 
 Jupiter MOID = 2.08814 au 
 T_jup = 3.243 
[ 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 15.8   n/a MPO494363  
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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