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461286 (2015 XK69)
Classification: Main-belt Asteroid          SPK-ID: 2461286
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071629519874296 5.6469e-08  
a 2.254191241890928 2.6389e-08 au
q 1.787206329876593 1.367e-07 au
i 3.278497401647535 8.2872e-06 deg
node 102.4902924820447 0.00010461 deg
peri 267.7999824182985 0.00010879 deg
M 155.4745186230228 2.2593e-05 deg
tp 2458466.622910616798
(2018-Dec-14.12291062)
7.7644e-05 TDB
period 1236.188115455547
3.38
2.1707e-05
5.943e-08
d
yr
n .2912178134533648 5.1137e-09 deg/d
Q 2.721176153905263 3.1855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5169 days (14.15 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:38:49  

Additional Information
 Earth MOID = .790519 au 
 Jupiter MOID = 2.74457 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .207324709082626 5.6457e-08  
q 1.786931304591191 1.3651e-07 au
tp 2457228.360844015264
(2015-Jul-24.86084402)
8.1403e-05 TDB
node 102.5717931227578 0.0001046 deg
peri 267.3417505963847 0.00010877 deg
i 3.278031936748617 8.2833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5169 days (14.15 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:38:49  

Additional Information
 Jupiter MOID = 2.74457 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.18741920133181E-15 -7.630500344528811E-15 9.760021786581997E-13 -3.957726351628765E-14 2.224561292398404E-13 -5.460240001531953E-15
q -7.630500344528811E-15 1.863562996505707E-14 -2.725649005692336E-12 9.614382898839208E-14 -6.623506653996891E-13 1.465020043346757E-14
tp 9.760021786581997E-13 -2.725649005692336E-12 6.626449323464833E-9 -1.097044689615003E-10 2.442523269378949E-9 -1.083217340806293E-11
node -3.957726351628765E-14 9.614382898839208E-14 -1.097044689615003E-10 1.094127878905605E-8 -1.096000921995816E-8 -3.152144873677077E-10
peri 2.224561292398404E-13 -6.623506653996891E-13 2.442523269378949E-9 -1.096000921995816E-8 1.183029152355758E-8 3.111123826723703E-10
i -5.460240001531953E-15 1.465020043346757E-14 -1.083217340806293E-11 -3.152144873677077E-10 3.111123826723703E-10 6.861355799469346E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO456232  

461286 (2015 XK69)          Discovered 2005-Dec-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-02-25

Alternate Designations
 2015 XK69 = 2005 XS18 = 2008 SA292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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