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71206 (1999 XK244)
Classification: Main-belt Asteroid          SPK-ID: 2071206
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09355207731148361 3.6754e-08  
a 2.690176384598785 1.6383e-08 au
q 2.438504795485272 1.0342e-07 au
i 15.17960883123313 4.0327e-06 deg
node 170.1909865291881 1.5928e-05 deg
peri 257.1159595843203 3.254e-05 deg
M 238.3591504576198 3.219e-05 deg
tp 2459545.060961817312
(2021-Nov-26.56096182)
0.00014643 TDB
period 1611.645651865744
4.41
1.4722e-05
4.031e-08
d
yr
n .2233741639070853 2.0405e-09 deg/d
Q 2.941847973712298 1.7916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      10381 days (28.42 yr)  
   first obs. used      1992-02-27  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:32:40  

Additional Information
 Earth MOID = 1.50097 au 
 Jupiter MOID = 2.34579 au 
 T_jup = 3.316 
[ 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 15.0   n/a MPO436281  

71206 (1999 XK244)          Discovered 1999-Dec-03 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2086-Sep-18 03:31 < 00:01 Inter 0.0170697400126169 0.0170514506974449 0.0170880295571636 8.32903246767035 8.32903236470354 2483216.646539214 0.725834334108015 917.169113891014 41.0500065321343 6.18701583628182 7248.22541153615 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 06:32:47 2020-Aug-25 06:32
2141-Dec-31 03:34 00:05 Juno 0.047080079973975 0.0470513159694556 0.0471088462452152 2.77713537011092 2.77713527706191 2503408.648359004 4.69029906246364 1519.75148227628 55.454436722898 -19.7086769552923 42964.3927223727 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 06:32:47 2020-Aug-25 06:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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