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JPL Small-Body Database Browser
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215684 (2003 WR158)
Classification: Main-belt Asteroid          SPK-ID: 2215684
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962265904118497 6.5332e-08  
a 2.374104407304132 1.5188e-08 au
q 1.908241994177097 1.5229e-07 au
i 1.973118454683308 5.188e-06 deg
node 124.2117946541951 0.00018909 deg
peri 243.4370159916351 0.00018979 deg
M 218.2284630868343 1.9654e-05 deg
tp 2459526.680434147585
(2021-Nov-08.18043415)
7.6302e-05 TDB
period 1336.128255484403
3.66
1.2821e-05
3.51e-08
d
yr
n .2694352121679253 2.5855e-09 deg/d
Q 2.839966820431167 1.8168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      10013 days (27.41 yr)  
   first obs. used      1992-11-19  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:21:09  

Additional Information
 Earth MOID = .908052 au 
 Jupiter MOID = 2.62116 au 
 T_jup = 3.516 
[ 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 17.2   n/a MPO264532  

215684 (2003 WR158)          Discovered 2003-Nov-28 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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