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JPL Small-Body Database Browser
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250000 (2001 XB242)
Classification: Main-belt Asteroid          SPK-ID: 2250000
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509043614654726 5.5177e-08  
a 2.882481914029746 2.8134e-08 au
q 2.447502821357314 1.6834e-07 au
i 12.87487907167173 6.6387e-06 deg
node 75.20044751277973 2.4169e-05 deg
peri 245.8941464321275 3.5183e-05 deg
M 297.5836499747235 2.4802e-05 deg
tp 2458910.416130588525
(2020-Mar-01.91613059)		 0.00012482 TDB
period 1787.509313932757
4.89		 2.617e-05
7.165e-08		 d
yr
n .2013975519981781 2.9485e-09 deg/d
Q 3.317461006702179 3.2379e-08 au
   Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:29  

Additional Information
 Earth MOID = 1.46657 au 
 Jupiter MOID = 2.03323 au 
 T_jup = 3.240 
[ 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 15.8   n/a MPO446306  
diameter diameter 4.286 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

250000 (2001 XB242)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 XB242 = 2005 PZ6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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