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JPL Small-Body Database Browser
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(2019 UM8)
Classification: Apollo [NEO]          SPK-ID: 3883107
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2546786200638355 0.0003847  
a 1.246653107884094 0.00048605 au
q .9291572146698813 0.00017915 au
i 7.89748950563156 0.0091384 deg
node 33.26787333758532 0.00018381 deg
peri 54.50537664780287 0.04094 deg
M 197.0809546115557 0.10047 deg
tp 2458830.583894007653
(2019-Dec-13.08389401)
0.026916 TDB
period 508.4132530071295
1.39
0.29734
0.0008141
d
yr
n .7080853968119349 0.00041411 deg/d
Q 1.564149001098307 0.00060984 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2019-10-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50107  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-27 00:42:09  

Additional Information
 Earth MOID = .014071 au 
 Jupiter MOID = 3.6415 au 
 T_jup = 5.112 
[ 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 28.423   .49521 1 autocmod 2.8

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