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(2015 XP169)
Classification: Apollo [NEO]          SPK-ID: 3736407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3184657831581414 0.00059116  
a 1.194353055291811 0.00068118 au
q .8139924741709856 0.00024188 au
i 8.054254893306373 0.013685 deg
node 71.20008560633786 0.00017175 deg
peri 286.5093714878826 0.0031405 deg
M 199.1797703905841 1.1413 deg
tp 2459213.478464325221
(2020-Dec-29.97846433)
1.6937 TDB
period 476.7574784795013
1.31
0.40787
0.001117
d
yr
n .755100897731337 0.00064599 deg/d
Q 1.574713636412637 0.00089812 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      7 days  
   first obs. used      2015-12-09  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46154  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:00  

Additional Information
 Earth MOID = .000543094 au 
 Jupiter MOID = 3.88523 au 
 T_jup = 5.256 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3187510213579645 0.0005966  
q .813594499148766 0.00023534 au
tp 2457306.586507698611
(2015-Oct-11.08650770)
0.026432 TDB
node 71.24497031317559 0.0013029 deg
peri 286.459665021535 0.0025979 deg
i 8.060828382912899 0.013326 deg
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      7 days  
   first obs. used      2015-12-09  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46154  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:00  

Additional Information
 Jupiter MOID = 3.88523 au 
 T_jup = 5.256 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.559341436207946E-7 -1.403681360212657E-7 1.576571435747398E-5 -7.704660608100054E-7 1.341099129513034E-6 7.94990059274873E-6
q -1.403681360212657E-7 5.538329495378172E-8 -6.214431436169901E-6 3.030106682841704E-7 -5.221261896718887E-7 -3.135609747470016E-6
tp 1.576571435747398E-5 -6.214431436169901E-6 .0006986656044491539 -3.421857281656368E-5 6.016012930059641E-5 .0003520824671082092
node -7.704660608100054E-7 3.030106682841704E-7 -3.421857281656368E-5 1.697639702595878E-6 -3.113985857020998E-6 -1.719225890922013E-5
peri 1.341099129513034E-6 -5.221261896718887E-7 6.016012930059641E-5 -3.113985857020998E-6 6.748870978171303E-6 2.984012609916039E-5
i 7.94990059274873E-6 -3.135609747470016E-6 .0003520824671082092 -1.719225890922013E-5 2.984012609916039E-5 .0001775749055504174

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.1   n/a MPO358576  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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