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(2020 XY4)
Classification: Aten [NEO]          SPK-ID: 54099950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3513491401723105 0.00016173  
a .8586729478568137 2.3225e-05 au
q .5569789459380989 0.00015394 au
i 1.229535157657111 0.00074025 deg
node 262.5581867443134 0.00040522 deg
peri 318.8159283953229 0.0018351 deg
M 10.55060759042741 0.0059003 deg
tp 2458991.982442619898
(2020-May-22.48244262)
0.004418 TDB
period 290.6297699498053
0.80
0.011791
3.228e-05
d
yr
n 1.238689347144911 5.0256e-05 deg/d
Q 1.160366949775528 3.1386e-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 = .0024922 au 
 Jupiter MOID = 3.81415 au 
 T_jup = 6.820 
[ 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 = 3.81415 au 
 T_jup = 6.820 
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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