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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038574129883115 4.0384e-08  
a 2.195027558242815 6.9422e-09 au
q 1.967057674605666 8.9182e-08 au
i 7.861940217073768 3.5883e-06 deg
node 51.95331896530161 2.8316e-05 deg
peri 161.0585296830747 3.4231e-05 deg
M 187.8364188687927 2.0441e-05 deg
tp 2459168.563884843512
(2020-Nov-15.06388484)
6.7998e-05 TDB
period 1187.841221703045
3.25
5.6352e-06
1.543e-08
d
yr
n .3030708089788776 1.4378e-09 deg/d
Q 2.422997441879965 7.6632e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1948  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      1998-06-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:23:39  

Additional Information
 Earth MOID = .96178 au 
 Jupiter MOID = 2.5441 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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