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187759 (1996 XD8)
Classification: Main-belt Asteroid          SPK-ID: 2187759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03901217114615908 4.7454e-08  
a 2.74431691147028 1.9881e-08 au
q 2.637255150440703 1.3456e-07 au
i 7.179734448797392 4.1843e-06 deg
node 94.92464110139348 4.1625e-05 deg
peri 260.7965510473949 7.1635e-05 deg
M 167.7004095757119 6.0889e-05 deg
tp 2458426.962375824310
(2018-Nov-04.46237582)
0.00027802 TDB
period 1660.541828179172
4.55
1.8045e-05
4.94e-08
d
yr
n .216796706888588 2.3559e-09 deg/d
Q 2.851378672499858 2.0657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1996-12-01  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:18  

Additional Information
 Earth MOID = 1.64121 au 
 Jupiter MOID = 2.33225 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457347.5 (2015-Nov-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03837033037403768 4.7409e-08  
q 2.639121065175738 1.344e-07 au
tp 2456751.413613932110
(2014-Apr-03.91361393)
0.0002773 TDB
node 95.05496404431094 4.1621e-05 deg
peri 257.5986072899673 7.2468e-05 deg
i 7.180034193536788 4.1845e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1996-12-01  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:18  

Additional Information
 Jupiter MOID = 2.33225 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.247572254494541E-15 -6.308798119353368E-15 9.260181082506858E-13 -1.37916757790738E-14 1.826021805416644E-13 1.996820418201844E-15
q -6.308798119353368E-15 1.806437756722201E-14 -1.094647055878696E-12 3.973130700803242E-14 -1.687903129159145E-13 -5.053336428163396E-15
tp 9.260181082506858E-13 -1.094647055878696E-12 7.689695290838855E-8 8.358017290408371E-12 1.648619756387958E-8 3.980084152642944E-13
node -1.37916757790738E-14 3.973130700803242E-14 8.358017290408371E-12 1.732290631959173E-9 -1.716450808305581E-9 3.698546535021906E-12
peri 1.826021805416644E-13 -1.687903129159145E-13 1.648619756387958E-8 -1.716450808305581E-9 5.251596419310851E-9 -3.573139995766181E-12
i 1.996820418201844E-15 -5.053336428163396E-15 3.980084152642944E-13 3.698546535021906E-12 -3.573139995766181E-12 1.75100793145319E-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 16.39   n/a MPCxxxxx  

187759 (1996 XD8)          Discovered 1996-Dec-01 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

Alternate Designations
 1996 XD8 = 2005 UH241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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