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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540021867994168 0.00038521  
a 1.243695083011459 0.00049034 au
q .9277938122148662 0.00017779 au
i 7.84792190908918 0.0092583 deg
node 33.15029194970305 0.00050555 deg
peri 55.11288677660248 0.040503 deg
M 41.86009390078728 0.23431 deg
tp 2459337.592987161267
(2021-May-03.09298716)
0.29502 TDB
period 506.6048029468226
1.39
0.2996
0.0008203
d
yr
n .7106130812537689 0.00042025 deg/d
Q 1.559596353808052 0.00061488 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .50107  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:42  

Additional Information
 Earth MOID = .0140941 au 
 Jupiter MOID = 3.64225 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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