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85534 (1997 WB26)
Classification: Main-belt Asteroid          SPK-ID: 2085534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894448314844276 3.1936e-08  
a 2.389549672400257 6.8648e-09 au
q 1.936861837388721 7.8412e-08 au
i .6805122438534211 3.9204e-06 deg
node 336.172527981596 0.00024858 deg
peri 65.43779312814384 0.00024882 deg
M 38.95251635515855 9.7822e-06 deg
tp 2458854.515906013683
(2020-Jan-06.01590601)
3.6586e-05 TDB
period 1349.188159139666
3.69
5.814e-06
1.592e-08
d
yr
n .2668271267882757 1.1498e-09 deg/d
Q 2.842237507411793 8.1653e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:48  

Additional Information
 Earth MOID = .945384 au 
 Jupiter MOID = 2.56448 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896092048070856 3.2031e-08  
q 1.936492727195366 7.8665e-08 au
tp 2457502.381462184658
(2016-Apr-23.88146218)
3.6228e-05 TDB
node 336.5918190755801 0.00024728 deg
peri 64.41181574280583 0.00024752 deg
i .682832565794431 3.9269e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:48  

Additional Information
 Jupiter MOID = 2.56448 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.025987988534149E-15 -2.514221852412974E-15 -3.541132338329232E-13 1.434914986206292E-14 -8.279557397845197E-14 -2.506271965976528E-16
q -2.514221852412974E-15 6.188182991000484E-15 8.436011819802454E-13 -3.548390818831055E-14 1.946303038153512E-13 6.460166467578359E-16
tp -3.541132338329232E-13 8.436011819802454E-13 1.312476349722566E-9 -1.520284127625229E-11 3.981959710268443E-10 3.741581886323902E-13
node 1.434914986206292E-14 -3.548390818831055E-14 -1.520284127625229E-11 6.114800306777265E-8 -6.114688968495668E-8 1.497741990907766E-10
peri -8.279557397845197E-14 1.946303038153512E-13 3.981959710268443E-10 -6.114688968495668E-8 6.126470501446257E-8 -1.496740637320756E-10
i -2.506271965976528E-16 6.460166467578359E-16 3.741581886323902E-13 1.497741990907766E-10 -1.496740637320756E-10 1.542088449534617E-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 15.5   n/a MPO449531  

85534 (1997 WB26)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 WB26 = 2001 VE47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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