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501324 (2013 XK2)
Classification: Main-belt Asteroid          SPK-ID: 2501324
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721242679767903 1.2335e-07  
a 2.741766532835812 9.4757e-08 au
q 2.269841975408186 3.9234e-07 au
i 5.737343513189578 1.2519e-05 deg
node 123.944941303525 0.00011397 deg
peri 267.0756653375403 0.00012383 deg
M 180.9689607531829 4.5939e-05 deg
tp 2459825.150573233777
(2022-Sep-02.65057323)
0.00023651 TDB
period 1658.227576699037
4.54
8.5964e-05
2.354e-07
d
yr
n .2170992721738693 1.1255e-08 deg/d
Q 3.213691090263438 1.1107e-07 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      3320 days (9.09 yr)  
   first obs. used      2010-01-06  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:09  

Additional Information
 Earth MOID = 1.28418 au 
 Jupiter MOID = 2.24929 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171661728549163 1.2336e-07  
q 2.271607501227137 3.9227e-07 au
tp 2458168.176174059273
(2018-Feb-18.67617406)
0.00019377 TDB
node 123.9520848249077 0.00011397 deg
peri 267.4068906882238 0.0001239 deg
i 5.736779926900666 1.2517e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      3320 days (9.09 yr)  
   first obs. used      2010-01-06  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:09  

Additional Information
 Jupiter MOID = 2.24929 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.521701910019311E-14 -4.780166150412864E-14 -4.508081107935613E-12 2.726005262446065E-14 -3.134316827705633E-13 -4.428774873142925E-14
q -4.780166150412864E-14 1.538793285174983E-13 1.743260234911142E-11 -9.393647399054396E-14 1.336912043898941E-12 1.474357071562484E-13
tp -4.508081107935613E-12 1.743260234911142E-11 3.754710637105283E-8 -3.357581217787811E-10 9.312785287931266E-9 1.187427628568562E-11
node 2.726005262446065E-14 -9.393647399054396E-14 -3.357581217787811E-10 1.29900127134141E-8 -1.300932637541821E-8 -4.28107719880273E-11
peri -3.134316827705633E-13 1.336912043898941E-12 9.312785287931266E-9 -1.300932637541821E-8 1.535193533484381E-8 4.203027774820466E-11
i -4.428774873142925E-14 1.474357071562484E-13 1.187427628568562E-11 -4.28107719880273E-11 4.203027774820466E-11 1.566812374573503E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO414926  

501324 (2013 XK2)          Discovered 2010-Jan-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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