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JPL Small-Body Database Browser
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49837 (1999 XN85)
Classification: Main-belt Asteroid          SPK-ID: 2049837
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 .2049461466348304 4.1363e-08  
a 2.306361675845698 8.9431e-09 au
q 1.833681737634872 9.8084e-08 au
i 9.173877952644633 3.4788e-06 deg
node 95.31431543758984 2.6726e-05 deg
peri 266.0509309308084 2.7741e-05 deg
M 265.2778056419089 8.5374e-06 deg
tp 2458937.119132092082
(2020-Mar-28.61913209)
3.097e-05 TDB
period 1279.350508868338
3.50
7.4412e-06
2.037e-08
d
yr
n .281392782903914 1.6367e-09 deg/d
Q 2.779041614056523 1.0776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:17:15  

Additional Information
 Earth MOID = .857289 au 
 Jupiter MOID = 2.72049 au 
 T_jup = 3.543 
[ 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 15.0   n/a MPO493212  

49837 (1999 XN85)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN85 = 2000 AN255 = 2001 FL98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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