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JPL Small-Body Database Browser
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49940 (1999 XZ186)
Classification: Main-belt Asteroid          SPK-ID: 2049940
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 .06021891868934881 4.1646e-08  
a 2.558026094124288 1.58e-08 au
q 2.403984528756985 1.1079e-07 au
i 9.032356330392338 4.645e-06 deg
node 318.0206885236485 2.4665e-05 deg
peri 193.2316997444856 4.3527e-05 deg
M 213.9425430169076 3.6568e-05 deg
tp 2459206.785408912139
(2020-Dec-23.28540891)
0.00015091 TDB
period 1494.36223056818
4.09
1.3845e-05
3.791e-08
d
yr
n .2409054462405158 2.232e-09 deg/d
Q 2.712067659491592 1.6751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:25:10  

Additional Information
 Earth MOID = 1.41663 au 
 Jupiter MOID = 2.30007 au 
 T_jup = 3.417 
[ 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 15.3   n/a MPO502489  

49940 (1999 XZ186)          Discovered 1999-Dec-12 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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