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249996 (2001 XC191)
Classification: Main-belt Asteroid          SPK-ID: 2249996
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3093968373564867 4.168e-08  
a 2.801176068912087 1.7223e-08 au
q 1.934501052312011 1.2156e-07 au
i 7.15495527184147 6.7605e-06 deg
node 280.8606653681529 4.3884e-05 deg
peri 118.7112825975334 4.6321e-05 deg
M 13.37859246711875 1.2534e-05 deg
tp 2458936.861935586225
(2020-Mar-28.36193559)		 5.9365e-05 TDB
period 1712.41505750814
4.69		 1.5793e-05
4.324e-08		 d
yr
n .2102294057866217 1.9389e-09 deg/d
Q 3.667851085512163 2.2552e-08 au
   Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2001-11-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:44  

Additional Information
 Earth MOID = .954889 au 
 Jupiter MOID = 1.8348 au 
 T_jup = 3.242 
[ 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 16.0   n/a MPO494363  
diameter diameter 4.217 km 0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249996 (2001 XC191)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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