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(2020 XZ4)
Classification: Apollo [NEO]          SPK-ID: 54099951
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .277389848815416 0.00023844  
a 1.176014522615321 0.0002648 au
q .8498000319823231 8.9062e-05 au
i 7.580025917360547 0.0057741 deg
node 282.584880359641 0.00064505 deg
peri 242.9031506895244 0.00062375 deg
M 155.4996548845262 0.076472 deg
tp 2458799.292399036726
(2019-Nov-11.79239904)
0.16691 TDB
period 465.8192740078327
1.28
0.15733
0.0004307
d
yr
n .7728319116180381 0.00026103 deg/d
Q 1.502229013248318 0.00033825 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      16 days  
   first obs. used      2020-12-11  
   last obs. used      2020-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-27 06:10:19  

Additional Information
 Earth MOID = .00991935 au 
 Jupiter MOID = 3.49265 au 
 T_jup = 5.330 
[ 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 24.89   .3879 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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