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49775 (1999 WO13)
Classification: Main-belt Asteroid          SPK-ID: 2049775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137588353109527 4.1748e-08  
a 2.338006780689216 1.0014e-08 au
q 2.072037852368901 1.0167e-07 au
i 3.353009332395231 4.702e-06 deg
node 165.2371227847107 6.2538e-05 deg
peri 131.3846090579141 6.5722e-05 deg
M 279.7916696408133 2.0894e-05 deg
tp 2458891.427015469159
(2020-Feb-11.92701547)
7.6154e-05 TDB
period 1305.77117239421
3.58
8.3889e-06
2.297e-08
d
yr
n .275699148220525 1.7712e-09 deg/d
Q 2.603975709009531 1.1153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1139  
   data-arc span      8135 days (22.27 yr)  
   first obs. used      1997-01-31  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:41:16  

Additional Information
 Earth MOID = 1.05735 au 
 Jupiter MOID = 2.55902 au 
 T_jup = 3.555 
[ 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 15.3   n/a MPO474378  
diameter diameter 3.610 km 0.986 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.082   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

49775 (1999 WO13)          Discovered 1999-Nov-29 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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