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(2020 UW1)
Classification: Apollo [NEO]          SPK-ID: 54075542
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3477262228088233 0.00033329  
a 1.446897472225042 0.00074625 au
q .9437732794165938 4.5316e-06 au
i 20.61263484198771 0.013741 deg
node 36.82391273791588 0.00064897 deg
peri 52.15554729592751 0.011406 deg
M 1.144267115481428 0.0070654 deg
tp 2459198.479401714616
(2020-Dec-14.97940171)		 0.01404 TDB
period 635.7041750975316
1.74		 0.49181
0.001347		 d
yr
n .5663011414779017 0.00043811 deg/d
Q 1.95002166503349 0.0010057 au
   Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      23 days  
   first obs. used      2020-10-17  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 06:16:10  

Additional Information
 Earth MOID = .0471161 au 
 Jupiter MOID = 3.42289 au 
 T_jup = 4.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459143.5 (2020-Oct-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3475155315541574 0.00033365  
q .9438754926933065 4.3836e-06 au
tp 2459198.474014884090
(2020-Dec-14.97401488)		 0.014039 TDB
node 36.83054014267522 0.00066312 deg
peri 52.13410632481479 0.011376 deg
i 20.6211959723966 0.013728 deg
   Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      23 days  
   first obs. used      2020-10-17  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 06:16:10  

Additional Information
 Jupiter MOID = 3.42289 au 
 T_jup = 4.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.113196171724057E-7 1.459896879297623E-9 -4.684122537968556E-6 -2.212264448812485E-7 -3.79566113628675E-6 4.580210720916475E-6
q 1.459896879297623E-9 1.921637352424811E-11 -6.14394811662849E-8 -2.902881973648522E-9 -4.97915403425176E-8 6.00709653118214E-8
tp -4.684122537968556E-6 -6.14394811662849E-8 .0001971008023916152 9.308951493684371E-6 .0001597165621240058 -.0001927269692397162
node -2.212264448812485E-7 -2.902881973648522E-9 9.308951493684371E-6 4.397317343079464E-7 7.543348295704849E-6 -9.102498311712623E-6
peri -3.79566113628675E-6 -4.97915403425176E-8 .0001597165621240058 7.543348295704849E-6 .0001294235259046719 -.0001561716284424232
i 4.580210720916475E-6 6.00709653118214E-8 -.0001927269692397162 -9.102498311712623E-6 -.0001561716284424232 .0001884520964664353

[ 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 24.0   .50155 E2020V59 autocmod 2.8

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