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49368 (1998 WN19)
Classification: Main-belt Asteroid          SPK-ID: 2049368
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2622190990628247 7.6005e-08  
a 2.571042957837627 1.6625e-08 au
q 1.896866389781625 2.0531e-07 au
i 11.84110390584279 3.7332e-06 deg
node 279.6775473556934 3.0631e-05 deg
peri 124.9342622645213 3.3092e-05 deg
M 22.80687046693819 1.3128e-05 deg
tp 2458505.104997960438
(2019-Jan-21.60499796)
5.424e-05 TDB
period 1505.783127239052
4.12
1.4606e-05
3.999e-08
d
yr
n .239078253360484 2.319e-09 deg/d
Q 3.24521952589363 2.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      13914 days (38.09 yr)  
   first obs. used      1981-10-23  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46657  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:05  

Additional Information
 Earth MOID = .934089 au 
 Jupiter MOID = 2.2398 au 
 T_jup = 3.352 
[ 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 14.1   n/a MPO459188  
diameter diameter 8.345 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.048   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

49368 (1998 WN19)          Discovered 1998-Nov-23 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WN19 = 1981 UR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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