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JPL Small-Body Database Browser
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66980 (1999 XK88)
Classification: Main-belt Asteroid          SPK-ID: 2066980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06776112229886593 4.0667e-08  
a 3.087502903002943 2.5621e-08 au
q 2.878290241194457 1.3053e-07 au
i 9.514863394797734 4.7045e-06 deg
node 260.0423455440364 3.1628e-05 deg
peri 153.270795575807 5.2237e-05 deg
M 312.519907016711 4.1891e-05 deg
tp 2459261.847619591885
(2021-Feb-16.34761959)
0.00023153 TDB
period 1981.570320138014
5.43
2.4665e-05
6.753e-08
d
yr
n .1816740977301913 2.2614e-09 deg/d
Q 3.296715564811429 2.7357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      9445 days (25.86 yr)  
   first obs. used      1993-10-22  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52293  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:35:10  

Additional Information
 Earth MOID = 1.89392 au 
 Jupiter MOID = 1.99664 au 
 T_jup = 3.201 
[ 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 14.4   n/a MPO449425  

66980 (1999 XK88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK88 = 2001 FB146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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