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JPL Small-Body Database Browser
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(2015 XE1)
Classification: Apollo [NEO]          SPK-ID: 3735651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3495950388991862 0.00015612  
a 1.533054499040609 0.00037989 au
q .9971062518139351 7.7475e-06 au
i 3.87722081695139 0.0015536 deg
node 244.7179292653919 0.00028583 deg
peri 217.8373608854596 0.00039196 deg
M 321.9511485327727 0.38741 deg
tp 2459469.778044109992
(2021-Sep-12.27804411)
0.77336 TDB
period 693.3217393518216
1.90
0.25771
0.0007056
d
yr
n .5192394519989518 0.000193 deg/d
Q 2.069002746267283 0.00051269 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      33 days  
   first obs. used      2015-12-02  
   last obs. used      2016-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .47813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:23:10  

Additional Information
 Earth MOID = .0343443 au 
 Jupiter MOID = 3.09813 au 
 T_jup = 4.409 
[ show covariance matrix ]

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 25.7   n/a E2016A38  

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