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(2019 XH2)
Classification: Apollo [NEO]          SPK-ID: 3907553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512505618634891 0.00015964  
a 1.006071792441562 1.9013e-05 au
q .8539028685597678 0.00014449 au
i 3.78689157659377 0.0037681 deg
node 76.16155516959043 0.00058655 deg
peri 261.2658935290469 0.0097238 deg
M 87.57084499747826 0.027937 deg
tp 2459110.839960565176
(2020-Sep-18.33996057)
0.026062 TDB
period 368.5885890157389
1.01
0.010449
2.861e-05
d
yr
n .9766987115942102 2.7687e-05 deg/d
Q 1.158240716323355 2.1889e-05 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      9 days  
   first obs. used      2019-12-06  
   last obs. used      2019-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .62815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:10:20  

Additional Information
 Earth MOID = .00786048 au 
 Jupiter MOID = 4.05288 au 
 T_jup = 6.039 
[ 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 28.9   .43546 E2019-XC4 autocmod 2.8

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