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JPL Small-Body Database Browser
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(2015 XN55)
Classification: Apollo [NEO]          SPK-ID: 3735995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2535897777660874 2.1981e-05  
a 1.208128320247552 5.6753e-06 au
q .9017593280030586 2.232e-05 au
i 2.955402416108796 0.0004608 deg
node 75.93353868647401 0.00046912 deg
peri 61.45945611339542 0.0053429 deg
M 93.52764335571467 0.064843 deg
tp 2458874.489853950159
(2020-Jan-25.98985395)
0.086476 TDB
period 485.0293554966483
1.33
0.0034177
9.357e-06
d
yr
n .742223116849033 5.23e-06 deg/d
Q 1.514497312492045 7.1145e-06 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      11 days  
   first obs. used      2015-12-04  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .27834  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:11  

Additional Information
 Earth MOID = .00633375 au 
 Jupiter MOID = 3.50911 au 
 T_jup = 5.238 
[ 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 27.2   n/a E2016A20  

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