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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122656969323178 0.0007117  
a .9598858108306457 0.00033112 au
q .7561349802192358 0.00089089 au
i 1.159378922523073 0.0036952 deg
node 82.12252102815482 0.038802 deg
peri 129.7876879647301 0.13195 deg
M 257.6751507621759 0.066421 deg
tp 2459298.135194873772
(2021-Mar-24.63519487)		 0.042409 TDB
period 343.5008252283391
0.94		 0.17774
0.0004866		 d
yr
n 1.04803241669272 0.00054229 deg/d
Q 1.163636641442056 0.0004014 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .34591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:21:22  

Additional Information
 Earth MOID = .00719111 au 
 Jupiter MOID = 3.79675 au 
 T_jup = 6.260 
[ 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 26.1   .2301 E2020-YE2 autocmod 2.8

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