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136046 (2002 XW8)
Classification: Main-belt Asteroid          SPK-ID: 2136046
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05981876865426686 5.8521e-08  
a 3.023101357084166 3.0472e-08 au
q 2.842263156386348 1.826e-07 au
i 4.158466683659443 5.6146e-06 deg
node 278.1869582342371 9.1436e-05 deg
peri 102.9603848139521 0.00010633 deg
M 76.31721675377031 5.212e-05 deg
tp 2458193.497092248309
(2018-Mar-15.99709225)
0.0002776 TDB
period 1919.895051510382
5.26
2.9028e-05
7.947e-08
d
yr
n .1875102494361804 2.8351e-09 deg/d
Q 3.203939557781984 3.2295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2001-08-14  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:05:53  

Additional Information
 Earth MOID = 1.84783 au 
 Jupiter MOID = 2.13242 au 
 T_jup = 3.239 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456695.5 (2014-Feb-07.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05719931680660236 5.7914e-08  
q 2.854203978852427 1.8018e-07 au
tp 2456282.158275540173
(2012-Dec-20.65827554)
0.00029432 TDB
node 278.2896812997045 9.119e-05 deg
peri 104.7345422184606 0.00010761 deg
i 4.162649464884725 5.6184e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2001-08-14  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:05:53  

Additional Information
 Jupiter MOID = 2.13242 au 
 T_jup = 3.239 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.354001252969626E-15 -1.030081040004642E-14 -4.394479219545596E-12 5.685565669829099E-15 -9.009393530059965E-13 -2.480654770388871E-15
q -1.030081040004642E-14 3.246458808447624E-14 1.246788303785961E-11 -1.21778993176161E-14 2.602299065555936E-12 8.101661873049074E-15
tp -4.394479219545596E-12 1.246788303785961E-11 8.66240088186944E-8 -1.032617936640793E-10 1.687641217417875E-8 6.680174550473216E-12
node 5.685565669829099E-15 -1.21778993176161E-14 -1.032617936640793E-10 8.315621946106976E-9 -8.313723569522483E-9 6.390083259511191E-11
peri -9.009393530059965E-13 2.602299065555936E-12 1.687641217417875E-8 -8.313723569522483E-9 1.158028431985989E-8 -6.237701230412677E-11
i -2.480654770388871E-15 8.101661873049074E-15 6.680174550473216E-12 6.390083259511191E-11 -6.237701230412677E-11 3.15662750495243E-11

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 15.3   n/a MPO426846  

136046 (2002 XW8)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 XW8 = 2001 PW54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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