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308112 (2004 XH15)
Classification: Main-belt Asteroid          SPK-ID: 2308112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586721289568905 4.9552e-08  
a 2.255256237923139 1.6644e-08 au
q 1.897409929308567 1.202e-07 au
i 7.462765615108209 5.421e-06 deg
node 82.71186256035213 3.5733e-05 deg
peri 270.0401899738026 3.9977e-05 deg
M 272.1489179630843 1.7984e-05 deg
tp 2459302.381764753532
(2021-Mar-28.88176475)
6.26e-05 TDB
period 1237.064277314244
3.39
1.3694e-05
3.749e-08
d
yr
n .2910115558276293 3.2215e-09 deg/d
Q 2.613102546537711 1.9284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6240 days (17.08 yr)  
   first obs. used      2003-05-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:02:22  

Additional Information
 Earth MOID = .909858 au 
 Jupiter MOID = 2.83371 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457511.5 (2016-May-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157986422011387 4.956e-08  
q 1.899645189693743 1.2017e-07 au
tp 2458065.849876986324
(2017-Nov-08.34987699)
6.0796e-05 TDB
node 82.73666267181817 3.5744e-05 deg
peri 270.0533915105116 4.0024e-05 deg
i 7.460715439445333 5.419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6240 days (17.08 yr)  
   first obs. used      2003-05-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:02:22  

Additional Information
 Jupiter MOID = 2.83371 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.45623023603369E-15 -5.927457129175187E-15 8.226248202172039E-13 -8.819436630015977E-16 3.266752720768557E-13 -1.30386790166014E-15
q -5.927457129175187E-15 1.444029099519782E-14 -1.818343608781987E-12 1.634501408083287E-15 -7.581471229334894E-13 3.452423961997691E-15
tp 8.226248202172039E-13 -1.818343608781987E-12 3.696148361241827E-9 -1.265285492273393E-11 1.10389020219178E-9 -1.173222683269606E-12
node -8.819436630015977E-16 1.634501408083287E-15 -1.265285492273393E-11 1.277624236843818E-9 -1.269933070912445E-9 -6.200613456913047E-11
peri 3.266752720768557E-13 -7.581471229334894E-13 1.10389020219178E-9 -1.269933070912445E-9 1.601936824888746E-9 6.118766022380001E-11
i -1.30386790166014E-15 3.452423961997691E-15 -1.173222683269606E-12 -6.200613456913047E-11 6.118766022380001E-11 2.936582239367723E-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 16.8   n/a MPO433982  

308112 (2004 XH15)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2004 XH15 = 2003 KT6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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