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

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509905903022125 0.00016114  
a 1.004589203120808 3.4348e-05 au
q .8529056863303682 0.00013275 au
i 3.780842712385382 0.0038772 deg
node 76.20682812469363 3.8972e-05 deg
peri 260.7683669027668 0.0035308 deg
M 252.3047455403492 0.02397 deg
tp 2459110.520914930440
(2020-Sep-18.02091493)
0.03013 TDB
period 367.7741379941458
1.01
0.018862
5.164e-05
d
yr
n .9788616512391376 5.0203e-05 deg/d
Q 1.156272719911248 3.9535e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .62826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-15 06:28:43  

Additional Information
 Earth MOID = .00802026 au 
 Jupiter MOID = 4.05419 au 
 T_jup = 6.046 
[ 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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