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(1999 XS35)
Classification: Apollo [NEO, PHA]          SPK-ID: 3024715
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .947132312846272 3.5943e-05  
a 17.7742432461532 0.011931 au
q .939683131331891 9.7876e-06 au
i 19.43650300327437 0.00037369 deg
node 49.16613106746312 0.0011025 deg
peri 332.8845135933631 0.00097883 deg
M 99.21022219990687 0.099979 deg
tp 2451457.588236146421
(1999-Oct-06.08823615)
0.0065894 TDB
period 27370.64966466568
74.94
27.559
0.07545
d
yr
n .0131527751226433 1.3243e-05 deg/d
Q 34.60880336097452 0.023231 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      88 days  
   first obs. used      1999-12-02  
   last obs. used      2000-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .47059  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:13  

Additional Information
 Earth MOID = .00266937 au 
 Jupiter MOID = .641259 au 
 T_jup = 1.411 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPC39559  

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