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(2020 YP4)
Classification: Aten [NEO]          SPK-ID: 54102521
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2120779664514484 0.00071291  
a .9600682212410784 0.00033162 au
q .7564589052256111 0.00089294 au
i 1.15918927462339 0.0036944 deg
node 82.12303838245136 0.038857 deg
peri 129.8000179253805 0.13208 deg
M 48.0761223714962 0.16415 deg
tp 2458954.614179710918
(2020-Apr-15.11417971)
0.17967 TDB
period 343.5987448493464
0.94
0.17803
0.0004874
d
yr
n 1.047733745819837 0.00054286 deg/d
Q 1.163677537256546 0.00040195 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      1 day  
   first obs. used      2020-12-26  
   last obs. used      2020-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .34591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-27 06:10:26  

Additional Information
 Earth MOID = .00723167 au 
 Jupiter MOID = 3.79784 au 
 T_jup = 6.259 
[ 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 26.024   .2301 2 autocmod 2.8

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