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JPL Small-Body Database Browser
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233889 (2008 XH42)
Classification: Main-belt Asteroid          SPK-ID: 2233889
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272895194671076 4.6581e-08  
a 3.076181619002607 4.3131e-08 au
q 2.684615938926216 1.4509e-07 au
i 2.968811039420028 1.0146e-05 deg
node 336.3349660533482 9.7601e-05 deg
peri 258.5163489331845 0.0001081 deg
M 203.1286883398016 4.9706e-05 deg
tp 2459459.231537947869
(2021-Sep-01.73153795)
0.00027688 TDB
period 1970.681257073145
5.40
4.1446e-05
1.135e-07
d
yr
n .18267794383688 3.842e-09 deg/d
Q 3.467747299078999 4.8621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8033 days (21.99 yr)  
   first obs. used      1996-10-18  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60542  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:04:30  

Additional Information
 Earth MOID = 1.67531 au 
 Jupiter MOID = 1.55368 au 
 T_jup = 3.215 
[ 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 15.9   n/a MPO418249  
diameter diameter 3.512 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233889 (2008 XH42)          Discovered 2008-Dec-02 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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