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(2017 XA1)
Classification: Atira [NEO, PHA]          SPK-ID: 3791243
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015413502392464 2.4552e-07  
a .8096045924363696 2.4668e-08 au
q .6464357897168489 2.0985e-07 au
i 17.17648501905248 3.3566e-05 deg
node 239.6567286745971 3.4407e-05 deg
peri 327.6151109120045 4.8708e-05 deg
M 7.202254917619274 0.00011542 deg
tp 2458995.176786812727
(2020-May-25.67678681)
8.5101e-05 TDB
period 266.0773284669998
0.73
1.2161e-05
3.33e-08
d
yr
n 1.352990132884053 6.1837e-08 deg/d
Q .9727733951558903 2.964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      1084 days (2.97 yr)  
   first obs. used      2017-12-05  
   last obs. used      2020-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .67252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-24 05:23:26  

Additional Information
 Earth MOID = .0479827 au 
 Jupiter MOID = 4.00876 au 
 T_jup = 7.165 
[ 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 21.2   n/a MPO431253  

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