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JPL Small-Body Database Browser
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74358 (1998 WH13)
Classification: Main-belt Asteroid          SPK-ID: 2074358
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383525421822249 4.4513e-08  
a 2.775404228698887 1.567e-08 au
q 2.11387957520521 1.2077e-07 au
i 8.025408074123867 4.693e-06 deg
node 263.6413405483866 3.9076e-05 deg
peri 207.199821372963 4.0477e-05 deg
M 121.4526908701734 1.274e-05 deg
tp 2458030.739370787875
(2017-Oct-04.23937079)
5.7572e-05 TDB
period 1688.837234043839
4.62
1.4303e-05
3.916e-08
d
yr
n .2131644143929711 1.8053e-09 deg/d
Q 3.436928882192563 1.9405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1998-10-26  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57959  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:22:58  

Additional Information
 Earth MOID = 1.13434 au 
 Jupiter MOID = 1.7393 au 
 T_jup = 3.279 
[ 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 14.8   n/a MPO299446  

74358 (1998 WH13)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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