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JPL Small-Body Database Browser
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59140 (1998 XN60)
Classification: Main-belt Asteroid          SPK-ID: 2059140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086023292497396 3.7749e-08  
a 2.610550125188655 8.8435e-09 au
q 2.065983288451102 9.6552e-08 au
i 4.185018106456398 4.3146e-06 deg
node 250.7265893301488 5.0232e-05 deg
peri 158.0297555790717 5.1341e-05 deg
M 55.28569480738715 9.2349e-06 deg
tp 2458763.904351439122
(2019-Oct-07.40435144)
3.9327e-05 TDB
period 1540.623370632489
4.22
7.8285e-06
2.143e-08
d
yr
n .2336716467258348 1.1874e-09 deg/d
Q 3.155116961926208 1.0688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      13910 days (38.08 yr)  
   first obs. used      1981-12-04  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:47:30  

Additional Information
 Earth MOID = 1.07702 au 
 Jupiter MOID = 2.23278 au 
 T_jup = 3.375 
[ 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 15.4   n/a MPO410474  

59140 (1998 XN60)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XN60 = 1981 XO1 = 2000 GD156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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