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351330 (2004 XH12)
Classification: Main-belt Asteroid          SPK-ID: 2351330
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123737717304993 3.6079e-08  
a 2.461007048623927 1.4449e-08 au
q 1.93835369945232 9.3665e-08 au
i 4.900429351391161 4.0766e-06 deg
node 72.83401998067602 9.1814e-05 deg
peri 333.5600747515301 9.3806e-05 deg
M 22.696858046965 2.0671e-05 deg
tp 2458911.594024007614
(2020-Mar-03.09402401)		 8.0762e-05 TDB
period 1410.157797657763
3.86		 1.2419e-05
3.4e-08		 d
yr
n .25529057854231 2.2483e-09 deg/d
Q 2.983660397795535 1.7518e-08 au
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6946 days (19.02 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53709  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:47:36  

Additional Information
 Earth MOID = .949654 au 
 Jupiter MOID = 2.40995 au 
 T_jup = 3.453 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457603.5 (2016-Aug-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212138489484944 3.6563e-08  
q 1.938835836458955 9.5015e-08 au
tp 2457497.623371513300
(2016-Apr-19.12337151)		 7.8278e-05 TDB
node 72.88197194983854 9.2012e-05 deg
peri 332.8124921430871 9.399e-05 deg
i 4.897172902179879 4.0631e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6946 days (19.02 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53709  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:47:36  

Additional Information
 Jupiter MOID = 2.40995 au 
 T_jup = 3.453 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.33683436116201E-15 -3.452474664989834E-15 -1.136374119397416E-12 -2.060816124883845E-14 -2.682075936391642E-13 -2.575706829354662E-15
q -3.452474664989834E-15 9.027878535339331E-15 2.94027772067635E-12 5.908083369426696E-14 6.901040035573357E-13 7.165223853989539E-15
tp -1.136374119397416E-12 2.94027772067635E-12 6.127462488171238E-9 9.345407843826121E-11 1.597089328535096E-9 9.155539205656186E-12
node -2.060816124883845E-14 5.908083369426696E-14 9.345407843826121E-11 8.466122966491703E-9 -8.410711810006608E-9 1.405909877112991E-10
peri -2.682075936391642E-13 6.901040035573357E-13 1.597089328535096E-9 -8.410711810006608E-9 8.834125956509332E-9 -1.376333885966445E-10
i -2.575706829354662E-15 7.165223853989539E-15 9.155539205656186E-12 1.405909877112991E-10 -1.376333885966445E-10 1.650893631635683E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO494831  

351330 (2004 XH12)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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