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79858 (1998 XN54)
Classification: Main-belt Asteroid          SPK-ID: 2079858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513598049538983 3.4047e-08  
a 2.459582185306563 1.0064e-08 au
q 2.087300305470478 8.5064e-08 au
i 7.254949938889371 3.2811e-06 deg
node 108.7512004101314 3.0552e-05 deg
peri 246.1830751307804 3.245e-05 deg
M 268.9767314144171 1.1714e-05 deg
tp 2459356.738096035200
(2021-May-22.23809604)
4.6099e-05 TDB
period 1408.933304258255
3.86
8.6479e-06
2.368e-08
d
yr
n .2555124496751995 1.5683e-09 deg/d
Q 2.831864065142647 1.1588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      9331 days (25.55 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:03:49  

Additional Information
 Earth MOID = 1.09437 au 
 Jupiter MOID = 2.61214 au 
 T_jup = 3.464 
[ 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 15.3   n/a MPO436339  

79858 (1998 XN54)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 XN54 = 2002 YE22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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