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(2020 UC)
Classification: Apollo [NEO]          SPK-ID: 54073343
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3035048488382961 0.0006384  
a 1.241220362967259 0.00089688 au
q .864503964329866 0.00018138 au
i 2.694324930742064 0.0048912 deg
node 29.10470654751487 0.0029035 deg
peri 62.98637211512179 0.021155 deg
M 4.851996690384599 0.016559 deg
tp 2459193.692466929183
(2020-Dec-10.19246693)
0.030377 TDB
period 505.093482514303
1.38
0.54745
0.001499
d
yr
n .7127393491754385 0.00077251 deg/d
Q 1.617936761604652 0.0011691 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2020-10-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-17 11:42:22  

Additional Information
 Earth MOID = .00104044 au 
 Jupiter MOID = 3.56797 au 
 T_jup = 5.122 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459139.5 (2020-Oct-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3063972238004805 0.00062823  
q .8664366753286546 0.00018971 au
tp 2459193.127270758822
(2020-Dec-09.62727076)
0.026738 TDB
node 29.13995488554806 0.0027773 deg
peri 62.19165442690751 0.018616 deg
i 2.677273414976594 0.0049499 deg
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2020-10-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-17 11:42:22  

Additional Information
 Jupiter MOID = 3.56797 au 
 T_jup = 5.122 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.946709934713257E-7 -1.130281595476166E-7 -1.573473579529077E-5 1.107836106173351E-6 -4.167691724783425E-6 3.071698189375047E-6
q -1.130281595476166E-7 3.598971551174738E-8 3.943062643118854E-6 -1.890674103271732E-7 1.47111446060437E-7 -9.255381708556519E-7
tp -1.573473579529077E-5 3.943062643118854E-6 .0007149182326777465 -6.410548248258567E-5 .0003289441620595735 -.000115330502166075
node 1.107836106173351E-6 -1.890674103271732E-7 -6.410548248258567E-5 7.713621327967641E-6 -4.881620189383854E-5 6.970015303733904E-6
peri -4.167691724783425E-6 1.47111446060437E-7 .0003289441620595735 -4.881620189383854E-5 .0003465675962785828 -1.915536861529776E-5
i 3.071698189375047E-6 -9.255381708556519E-7 -.000115330502166075 6.970015303733904E-6 -1.915536861529776E-5 2.450191635951711E-5

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 27.59   .1968 E2020U88 autocmod 2.8

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