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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586721191695996 5.5755e-08  
a 2.255256237394227 1.9007e-08 au
q 1.897409950936428 1.3016e-07 au
i 7.462761911658264 5.4692e-06 deg
node 82.71184450495244 4.622e-05 deg
peri 270.0401959706296 4.9643e-05 deg
M 272.1489266178536 1.8284e-05 deg
tp 2459302.381734907040
(2021-Mar-28.88173491)
6.3965e-05 TDB
period 1237.064276879062
3.39
1.5639e-05
4.282e-08
d
yr
n .2910115559300031 3.6789e-09 deg/d
Q 2.613102523852027 2.2023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5764 days (15.78 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:28:35  

Additional Information
 Earth MOID = .909858 au 
 Jupiter MOID = 2.83371 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580838673421335 5.5597e-08  
q 1.898540486598789 1.2964e-07 au
tp 2456827.025578377847
(2014-Jun-18.52557838)
6.1789e-05 TDB
node 82.80254501967953 4.6201e-05 deg
peri 269.6589448310032 4.9676e-05 deg
i 7.464028983952136 5.4685e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5764 days (15.78 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:28:35  

Additional Information
 Jupiter MOID = 2.83371 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.091036361560861E-15 -7.154016507547174E-15 1.115372500473112E-12 -8.386858884258183E-15 2.631616789818808E-13 -1.538113060761612E-15
q -7.154016507547174E-15 1.680547075732027E-14 -2.683231769752139E-12 1.932424760278241E-14 -6.335018693349976E-13 4.217127817347063E-15
tp 1.115372500473112E-12 -2.683231769752139E-12 3.817846142176125E-9 -4.016999085027737E-11 1.161259658348039E-9 -1.970957817254542E-12
node -8.386858884258183E-15 1.932424760278241E-14 -4.016999085027737E-11 2.134543640168686E-9 -2.127191784407057E-9 -6.130523286818757E-11
peri 2.631616789818808E-13 -6.335018693349976E-13 1.161259658348039E-9 -2.127191784407057E-9 2.467683487301006E-9 6.038430620701279E-11
i -1.538113060761612E-15 4.217127817347063E-15 -1.970957817254542E-12 -6.130523286818757E-11 6.038430620701279E-11 2.990467656038898E-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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