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JPL Small-Body Database Browser
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97222 (1999 XK50)
Classification: Main-belt Asteroid          SPK-ID: 2097222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492438806062884 3.9336e-08  
a 3.090229690243453 2.4717e-08 au
q 2.629031819306751 1.2917e-07 au
i 10.2551718094042 5.3424e-06 deg
node 69.15678280700757 2.2357e-05 deg
peri 234.221518039924 2.8664e-05 deg
M 311.9001911110668 1.69e-05 deg
tp 2458865.609577847654
(2020-Jan-17.10957785)
9.3243e-05 TDB
period 1984.195992244662
5.43
2.3805e-05
6.517e-08
d
yr
n .1814336897197049 2.1768e-09 deg/d
Q 3.551427561180154 2.8406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      8552 days (23.41 yr)  
   first obs. used      1996-03-21  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57313  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:02:17  

Additional Information
 Earth MOID = 1.62889 au 
 Jupiter MOID = 1.70784 au 
 T_jup = 3.183 
[ 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 14.4   n/a MPO359432  

97222 (1999 XK50)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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