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(2020 XY4)
Classification: Aten [NEO]          SPK-ID: 54099950
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3517152310435487 0.00016133  
a .8584448307005278 2.2725e-05 au
q .5565167087325515 0.00015323 au
i 1.229393865441598 0.00074304 deg
node 262.5161967222691 0.00057185 deg
peri 318.8239617411415 0.0017553 deg
M 258.422567013223 0.01572 deg
tp 2459282.471285169463
(2021-Mar-08.97128517)
0.01594 TDB
period 290.5139635183368
0.80
0.011536
3.158e-05
d
yr
n 1.239183120976825 4.9207e-05 deg/d
Q 1.160372952668504 3.0718e-05 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      10 days  
   first obs. used      2020-12-11  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .4737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-21 05:53:25  

Additional Information
 Earth MOID = .00246248 au 
 Jupiter MOID = 3.81296 au 
 T_jup = 6.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459196.5 (2020-Dec-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3515206591104661 0.00016156  
q .5566921542178971 0.00015347 au
tp 2459282.495683875444
(2021-Mar-08.99568388)
0.015975 TDB
node 262.516659976091 0.000571 deg
peri 318.8271475840519 0.0017505 deg
i 1.229601639637185 0.00074278 deg
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      10 days  
   first obs. used      2020-12-11  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .4737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-21 05:53:25  

Additional Information
 Jupiter MOID = 3.81296 au 
 T_jup = 6.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.610031531286992E-8 -2.479339814134679E-8 -2.580816849979333E-6 9.205976501243743E-8 2.826348241560782E-7 1.199897321943637E-7
q -2.479339814134679E-8 2.355194539232587E-8 2.451584317875205E-6 -8.745020095764092E-8 -2.684898249603326E-7 -1.139820450144985E-7
tp -2.580816849979333E-6 2.451584317875205E-6 .0002551935294274673 -9.102913967718675E-6 -2.794593718021239E-5 -1.186456245602219E-5
node 9.205976501243743E-8 -8.745020095764092E-8 -9.102913967718675E-6 3.260439073396328E-7 9.956002374805838E-7 4.235047666030169E-7
peri 2.826348241560782E-7 -2.684898249603326E-7 -2.794593718021239E-5 9.956002374805838E-7 3.064258613483663E-6 1.299248617200637E-6
i 1.199897321943637E-7 -1.139820450144985E-7 -1.186456245602219E-5 4.235047666030169E-7 1.299248617200637E-6 5.517276275254115E-7

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 26.94   .81451 E2020Y65 autocmod 2.8

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