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JPL Small-Body Database Browser
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(2019 UB4)
Classification: Apollo [NEO]          SPK-ID: 3879383
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09083867193146769 2.8043e-05  
a 1.004960178092978 2.4832e-05 au
q .9136709301710004 5.6827e-06 au
i .7956033500092891 0.00029343 deg
node 28.73316337445935 0.00079239 deg
peri 267.6766963623999 0.012499 deg
M 266.8538980276896 0.0084014 deg
tp 2458695.710290589962
(2019-Jul-31.21029059)
0.012116 TDB
period 367.9778743996782
1.01
0.013639
3.734e-05
d
yr
n .9783196899740415 3.6261e-05 deg/d
Q 1.096249426014955 2.7088e-05 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      15 days  
   first obs. used      2019-10-21  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .41323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-05 06:05:27  

Additional Information
 Earth MOID = .000635636 au 
 Jupiter MOID = 3.95908 au 
 T_jup = 6.053 
[ show covariance matrix ]

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 29.235   .35827 5 autocmod 2.8

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