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JPL Small-Body Database Browser
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49838 (1999 XS86)
Classification: Main-belt Asteroid          SPK-ID: 2049838
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581635763844158 4.4105e-08  
a 2.30951498101303 9.0117e-09 au
q 1.944233831902623 1.0399e-07 au
i 4.280689144037611 3.8982e-06 deg
node 102.9110686424505 6.7168e-05 deg
peri 297.3462027560489 6.8748e-05 deg
M 233.7796080407342 1.5763e-05 deg
tp 2459049.976122984565
(2020-Jul-19.47612298)
5.734e-05 TDB
period 1281.975137002137
3.51
7.5034e-06
2.054e-08
d
yr
n .2808166785838374 1.6436e-09 deg/d
Q 2.674796130123437 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      11839 days (32.41 yr)  
   first obs. used      1986-01-12  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:52:29  

Additional Information
 Earth MOID = .956334 au 
 Jupiter MOID = 2.72346 au 
 T_jup = 3.565 
[ 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 MPO337656  
diameter diameter 5.250 km 1.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.084   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

49838 (1999 XS86)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS86 = 1986 AE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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