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49767 (1999 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2049767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103665462247896 3.7298e-08  
a 2.194976542838921 6.6567e-09 au
q 1.967433284902235 8.3244e-08 au
i 7.861097344027221 3.2149e-06 deg
node 51.94800812537687 2.6251e-05 deg
peri 161.1237231492609 3.2253e-05 deg
M 308.9809532746428 2.0289e-05 deg
tp 2459168.834483549551
(2020-Nov-15.33448355)
6.7162e-05 TDB
period 1187.799811393163
3.25
5.4033e-06
1.479e-08
d
yr
n .3030813749479875 1.3787e-09 deg/d
Q 2.422519800775606 7.3467e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:57:33  

Additional Information
 Earth MOID = .961979 au 
 Jupiter MOID = 2.5437 au 
 T_jup = 3.650 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO452847  
diameter diameter 3.187 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49767 (1999 WK2)          Discovered 1999-Nov-26 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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