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160479 (2006 WJ168)
Classification: Main-belt Asteroid          SPK-ID: 2160479
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 .089952046686954 9.9581e-08  
a 3.171697808050857 3.8376e-08 au
q 2.886397098744157 3.182e-07 au
i .9956238203962201 9.8417e-06 deg
node 179.3905746057471 0.00038861 deg
peri 7.140520173703347 0.00039065 deg
M 318.9957881576045 3.8794e-05 deg
tp 2458835.496880798220
(2019-Dec-17.99688080)
0.00022237 TDB
period 2063.175300442907
5.65
3.7446e-05
1.025e-07
d
yr
n .1744883238582383 3.1669e-09 deg/d
Q 3.456998517357558 4.1829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6231 days (17.06 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55934  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:05:12  

Additional Information
 Earth MOID = 1.88805 au 
 Jupiter MOID = 1.50204 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456429.5 (2013-May-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09054012211899658 9.9725e-08  
q 2.885739633336524 3.184e-07 au
tp 2456764.456024019215
(2014-Apr-16.95602402)
0.00022135 TDB
node 179.4253333552475 0.00038894 deg
peri 5.831956813955713 0.00039092 deg
i .9947498283102333 9.8397e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6231 days (17.06 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55934  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:05:12  

Additional Information
 Jupiter MOID = 1.50204 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.945163357160144E-15 -3.156492555476031E-14 -4.145884191991485E-12 6.986802436641853E-14 -3.876464589641397E-13 -2.283426644350349E-15
q -3.156492555476031E-14 1.013809081961091E-13 1.216985161705633E-11 -2.736758429202406E-13 1.065733101683933E-12 8.129819513901681E-15
tp -4.145884191991485E-12 1.216985161705633E-11 4.899691026164466E-8 -4.55236407526067E-11 8.697136435881913E-9 5.197802691863679E-12
node 6.986802436641853E-14 -2.736758429202406E-13 -4.55236407526067E-11 1.512739781693182E-7 -1.512589687724932E-7 -6.250627090048881E-10
peri -3.876464589641397E-13 1.065733101683933E-12 8.697136435881913E-9 -1.512589687724932E-7 1.52820527089992E-7 6.258812619539039E-10
i -2.283426644350349E-15 8.129819513901681E-15 5.197802691863679E-12 -6.250627090048881E-10 6.258812619539039E-10 9.682006091282763E-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 16.2   n/a MPO211194  

160479 (2006 WJ168)          Discovered 2006-Nov-23 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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