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49359 (1998 WB15)
Classification: Main-belt Asteroid          SPK-ID: 2049359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06252051703749323 4.7531e-08  
a 2.784647777669683 1.9246e-08 au
q 2.610550158842468 1.3545e-07 au
i 7.310462077503355 4.5554e-06 deg
node 82.31659621866243 4.0307e-05 deg
peri 287.6738399390978 5.4587e-05 deg
M 272.0010517276383 3.9827e-05 deg
tp 2459415.386031572380
(2021-Jul-19.88603157)
0.00018958 TDB
period 1697.281323224257
4.65
1.7596e-05
4.818e-08
d
yr
n .2121039070388888 2.199e-09 deg/d
Q 2.958745396496898 2.045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-11-21  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:03  

Additional Information
 Earth MOID = 1.62218 au 
 Jupiter MOID = 2.36035 au 
 T_jup = 3.317 
[ 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 15.0   n/a MPO432052  

49359 (1998 WB15)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WB15 = 2000 EQ180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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