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(2018 XC1)
Classification: Mars-crossing Asteroid          SPK-ID: 3836740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4026194480808575 0.00028145  
a 2.497963100478232 0.002044 au
q 1.492234575637338 0.00051865 au
i 68.00544665352203 0.018921 deg
node 70.92362812646704 0.0017735 deg
peri 279.4060120302742 0.056764 deg
M 171.089906377813 0.22769 deg
tp 2458315.170631814180
(2018-Jul-15.67063181)
0.07089 TDB
period 1442.040490700098
3.95
1.77
0.004846
d
yr
n .2496462494095594 0.00030642 deg/d
Q 3.503691625319125 0.002867 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      37 days  
   first obs. used      2018-11-06  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-04 10:39:16  

Additional Information
 Earth MOID = .867856 au 
 Jupiter MOID = 2.96195 au 
 T_jup = 2.558 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.443   .33019 2 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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