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66962 (1999 XL42)
Classification: Main-belt Asteroid          SPK-ID: 2066962
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560889608794289 3.2853e-08  
a 2.346759828067133 9.5419e-09 au
q 1.980456525070547 7.499e-08 au
i 2.749267491634263 3.8345e-06 deg
node 34.94924445240931 6.415e-05 deg
peri 114.9153970235377 6.5336e-05 deg
M 230.936060671317 1.4003e-05 deg
tp 2459671.264613997426
(2022-Apr-01.76461400)
5.2849e-05 TDB
period 1313.110865208261
3.60
8.0087e-06
2.193e-08
d
yr
n .2741581153110813 1.6721e-09 deg/d
Q 2.713063131063719 1.1031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:18  

Additional Information
 Earth MOID = .993158 au 
 Jupiter MOID = 2.28428 au 
 T_jup = 3.542 
[ 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 15.95   n/a E2021B10  

66962 (1999 XL42)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XL42 = 2001 KH26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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