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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040745021250973 6.8434e-08  
a 2.975397942845056 1.9806e-08 au
q 2.665734883319419 2.1021e-07 au
i .8925104250483203 6.6774e-06 deg
node 355.8283922319637 0.00026173 deg
peri 348.3794868103399 0.00026271 deg
M 55.23997882314319 2.3603e-05 deg
tp 2458312.848252235912
(2018-Jul-13.34825224)
0.00012327 TDB
period 1874.63194956343
5.13
1.8718e-05
5.125e-08
d
yr
n .1920376957641407 1.9174e-09 deg/d
Q 3.285061002370694 2.1867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9677 days (26.49 yr)  
   first obs. used      1992-07-26  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:18  

Additional Information
 Earth MOID = 1.65712 au 
 Jupiter MOID = 2.08571 au 
 T_jup = 3.253 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2084-May-27 01:38 00:01 Hygie 0.0479552311408492 0.0479421135459151 0.0479683509897593 3.29580011590638 3.29579987144763 2482372.567763211 1.01570609028671 835.486935179013 80.1737510236965 38.8256795169152 56347.9686384964 T 24 CATAB v2.0e-lin.ifort 2019-Jul-13 00:57:23 2019-Jul-13 00:57

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