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26330 (1998 WN5)
Classification: Main-belt Asteroid          SPK-ID: 2026330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040745030113471 6.7164e-08  
a 2.975397942620586 1.953e-08 au
q 2.665734880481364 2.0597e-07 au
i .8925104308136501 6.5726e-06 deg
node 355.8283923687407 0.00026163 deg
peri 348.3794868983535 0.00026258 deg
M 55.23997864229882 2.3477e-05 deg
tp 2458312.848253210177
(2018-Jul-13.34825321)
0.00012257 TDB
period 1874.631949351291
5.13
1.8457e-05
5.053e-08
d
yr
n .1920376957858723 1.8907e-09 deg/d
Q 3.285061004759807 2.1562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      9995 days (27.36 yr)  
   first obs. used      1992-07-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:26:49  

Additional Information
 Earth MOID = 1.65712 au 
 Jupiter MOID = 2.08571 au 
 T_jup = 3.253 
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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 14.6   n/a MPO459040  
rotation period rot_per 4.794 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

26330 (1998 WN5)          Discovered 1998-Nov-20 by Kagawa, T. at Gekko
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 WN5 = 1992 OO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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