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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06791738039418656 4.0062e-08  
a 3.087864465705858 2.0337e-08 au
q 2.878144800182822 1.2945e-07 au
i 9.514668984066207 3.9719e-06 deg
node 260.0443959146953 2.7957e-05 deg
peri 153.3109648714806 4.4514e-05 deg
M 348.8232586397884 3.3026e-05 deg
tp 2459262.031637363093
(2021-Feb-16.53163736)
0.00018178 TDB
period 1981.91840866704
5.43
1.958e-05
5.361e-08
d
yr
n .1816421899235104 1.7945e-09 deg/d
Q 3.297584131228894 2.1718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      9974 days (27.31 yr)  
   first obs. used      1993-10-22  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:28  

Additional Information
 Earth MOID = 1.89304 au 
 Jupiter MOID = 1.99614 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 14.49   n/a E2021B10  

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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