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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053885830852316 4.7461e-08  
a 2.79489576746179 1.5216e-08 au
q 2.220856085911902 1.3398e-07 au
i 15.13694290344901 5.9068e-06 deg
node 126.4621844802117 1.6649e-05 deg
peri 220.4272068541859 2.3077e-05 deg
M 41.45771927990783 1.3161e-05 deg
tp 2458803.960540850728
(2019-Nov-16.46054085)
6.2202e-05 TDB
period 1706.659375447804
4.67
1.3937e-05
3.816e-08
d
yr
n .2109384011707321 1.7226e-09 deg/d
Q 3.368935449011678 1.8342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1995-07-28  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:22:22  

Additional Information
 Earth MOID = 1.2334 au 
 Jupiter MOID = 2.08007 au 
 T_jup = 3.247 
[ 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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