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JPL Small-Body Database Browser
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49933 (1999 XD179)
Classification: Main-belt Asteroid          SPK-ID: 2049933
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811405711401559 4.2843e-08  
a 2.306617057061467 1.0075e-08 au
q 1.888795125943727 1.0159e-07 au
i 6.947694628842408 4.5556e-06 deg
node 75.67020352345303 4.5606e-05 deg
peri 345.8645189582895 4.8143e-05 deg
M 224.1912499052468 1.6595e-05 deg
tp 2459083.210701661694
(2020-Aug-21.71070166)
6.0286e-05 TDB
period 1279.563006632247
3.50
8.3835e-06
2.295e-08
d
yr
n .2813460518427334 1.8433e-09 deg/d
Q 2.724438988179207 1.19e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      9223 days (25.25 yr)  
   first obs. used      1993-01-22  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57421  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:18:36  

Additional Information
 Earth MOID = .902464 au 
 Jupiter MOID = 2.5957 au 
 T_jup = 3.556 
[ 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 15.4   n/a MPO337657  

49933 (1999 XD179)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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