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JPL Small-Body Database Browser
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49818 (1999 XT58)
Classification: Main-belt Asteroid          SPK-ID: 2049818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628713172136515 3.553e-08  
a 2.321921254084303 7.8592e-09 au
q 1.943746880965219 8.1991e-08 au
i 1.573926948778552 3.4746e-06 deg
node 212.7141860282915 0.00014559 deg
peri 292.5819157251813 0.00014603 deg
M 115.7104922113689 1.0961e-05 deg
tp 2458185.125436879841
(2018-Mar-07.62543688)
3.8859e-05 TDB
period 1292.318785146133
3.54
6.5613e-06
1.796e-08
d
yr
n .2785690374061163 1.4143e-09 deg/d
Q 2.700095627203387 9.1392e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      8717 days (23.87 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51502  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:17:11  

Additional Information
 Earth MOID = .956918 au 
 Jupiter MOID = 2.31391 au 
 T_jup = 3.559 
[ 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 15.7   n/a MPO436131  

49818 (1999 XT58)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XT58 = 1997 EU50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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