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(2020 UB)
Classification: Apollo [NEO]          SPK-ID: 54073342
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459141.5 (2020-Oct-19.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6537786578355698 0.0015517  
a 2.774025004491487 0.012292 au
q .9604266602527323 4.8842e-05 au
i 6.844151015682392 0.011468 deg
node 204.9862717659068 0.00085238 deg
peri 207.2819967507743 0.00074424 deg
M 355.6283023624763 0.031163 deg
tp 2459161.993285958053
(2020-Nov-08.49328596)
0.0098732 TDB
period 1687.578500757906
4.62
11.217
0.03071
d
yr
n .2133234097485367 0.0014179 deg/d
Q 4.587623348730242 0.020328 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      3 days  
   first obs. used      2020-10-16  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .61578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-16 08:29:01  

Additional Information
 Earth MOID = .00479687 au 
 Jupiter MOID = .834391 au 
 T_jup = 2.973 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.407839396973482E-6 -7.578055316913296E-8 -1.531944899109575E-5 -1.322077140244269E-6 1.128431496459495E-6 1.779401072958433E-5
q -7.578055316913296E-8 2.385586138102387E-9 4.820560148675524E-7 4.159209394877779E-8 -3.56334421034474E-8 -5.599299499979401E-7
tp -1.531944899109575E-5 4.820560148675524E-7 9.747985662377569E-5 8.413746988139466E-6 -7.161720384163354E-6 -.0001132232185998232
node -1.322077140244269E-6 4.159209394877779E-8 8.413746988139466E-6 7.265477629228423E-7 -6.164758348091626E-7 -9.773355356411258E-6
peri 1.128431496459495E-6 -3.56334421034474E-8 -7.161720384163354E-6 -6.164758348091626E-7 5.538941609907276E-7 8.322355290533799E-6
i 1.779401072958433E-5 -5.599299499979401E-7 -.0001132232185998232 -9.773355356411258E-6 8.322355290533799E-6 .0001315154584016407

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 27.9   .40812 3 autocmod 2.8

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