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(2019 UM8)
Classification: Apollo [NEO]          SPK-ID: 3883107
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2541286296324727 0.00038578  
a 1.243733582593671 0.0004906 au
q .9276652716212557 0.00017797 au
i 7.848320368964671 0.0092626 deg
node 33.16596057337345 0.00058169 deg
peri 55.0644366567101 0.040455 deg
M 120.5168133757071 0.069443 deg
tp 2458830.896579178089
(2019-Dec-13.39657918)
0.026954 TDB
period 506.62832666795
1.39
0.29977
0.0008207
d
yr
n .7105800861307703 0.00042044 deg/d
Q 1.559801893566086 0.00061528 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 = .0143154 au 
 Jupiter MOID = 3.64221 au 
 T_jup = 5.121 
[ 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 28.4   .49521 MPO502128 autocmod 2.8

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