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JPL Small-Body Database Browser
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215367 (2001 XM256)
Classification: Main-belt Asteroid          SPK-ID: 2215367
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205566993611131 4.8092e-08  
a 2.795637106007928 1.547e-08 au
q 2.220946390898156 1.3556e-07 au
i 15.13493836468112 5.9421e-06 deg
node 126.4642447929096 1.6889e-05 deg
peri 220.3385422353427 2.3278e-05 deg
M 317.1580491250269 1.3077e-05 deg
tp 2458803.682527860451
(2019-Nov-16.18252786)
6.2189e-05 TDB
period 1707.338450651454
4.67
1.4172e-05
3.88e-08
d
yr
n .2108545027277034 1.7502e-09 deg/d
Q 3.370327821117701 1.865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      8859 days (24.25 yr)  
   first obs. used      1995-07-28  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:58:34  

Additional Information
 Earth MOID = 1.2325 au 
 Jupiter MOID = 2.07496 au 
 T_jup = 3.246 
[ 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 15.9   n/a MPO446199  
diameter diameter 1.869 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215367 (2001 XM256)          Discovered 2001-Dec-07 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2001 XM256 = 2005 MW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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