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(2020 EM)
Classification: Apollo [NEO]          SPK-ID: 54013546
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7103862592218082 2.9047e-05  
a 1.828807794472617 0.00014623 au
q .5296478665215292 1.0829e-05 au
i 25.11935826125102 0.0021373 deg
node 27.14311348459983 0.0011508 deg
peri 37.24208207804519 0.0012083 deg
M 139.5338622586528 0.017007 deg
tp 2458850.371359311805
(2020-Jan-01.87135931)
0.00069229 TDB
period 903.3385058466972
2.47
0.10835
0.0002966
d
yr
n .3985217032928014 4.78e-05 deg/d
Q 3.127967722423705 0.00025012 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      57 days  
   first obs. used      2020-03-05  
   last obs. used      2020-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-03 06:05:32  

Additional Information
 Earth MOID = .2958 au 
 Jupiter MOID = 2.48886 au 
 T_jup = 3.601 
[ 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 19.8   .38608 MPO546169 autocmod 2.8

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