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(2015 XQ55)
Classification: Aten [NEO]          SPK-ID: 3735998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5698874426319815 1.4116e-06  
a .8485597776097539 1.2386e-07 au
q .3649762160273682 1.1446e-06 au
i 9.562619498752186 2.9903e-05 deg
node 54.00797389017591 2.6832e-05 deg
peri 193.7806638023607 2.4762e-05 deg
M 15.01582685795756 0.00036228 deg
tp 2459188.591176981646
(2020-Dec-05.09117698)
0.00028472 TDB
period 285.5105034948919
0.78
6.2513e-05
1.712e-07
d
yr
n 1.260899321017241 2.7608e-07 deg/d
Q 1.33214333919214 1.9445e-07 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      1096 days (3.00 yr)  
   first obs. used      2015-12-04  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .57367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:49:33  

Additional Information
 Earth MOID = .076455 au 
 Jupiter MOID = 3.70441 au 
 T_jup = 6.786 
[ 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 21.8   n/a E2018W74  

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