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(2019 EN)
Classification: Apollo [NEO, PHA]          SPK-ID: 3838886
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6185936946007586 9.1319e-07  
a 2.17867944686074 4.7023e-06 au
q .8309620784764178 1.9916e-07 au
i 9.793614263908026 1.5659e-05 deg
node 192.907992016391 4.5383e-05 deg
peri 46.62465947876892 3.7507e-05 deg
M 120.8226193198897 0.0003907 deg
tp 2458606.284063247397
(2019-May-02.78406325)
3.4147e-06 TDB
period 1174.595767165052
3.22
0.0038027
1.041e-05
d
yr
n .3064884193043523 9.9225e-07 deg/d
Q 3.526396815245063 7.6111e-06 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      260 days  
   first obs. used      2019-01-10  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .33002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-30 06:40:47  

Additional Information
 Earth MOID = .0244754 au 
 Jupiter MOID = 1.55791 au 
 T_jup = 3.390 
[ 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   .33479 MPO496135 autocmod 2.8
rotation period rot_per 6.9446 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

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