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(2019 UF9)
Classification: Apollo [NEO]          SPK-ID: 3884017
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .372969301577621 0.0007239  
a 1.254967416979657 0.0010223 au
q .786903095966083 0.00026744 au
i 2.555289837213414 0.0041701 deg
node 40.91573166270074 0.0012266 deg
peri 73.63648042469589 0.0054843 deg
M 250.6033862238384 0.28367 deg
tp 2459356.544505298106
(2021-May-22.04450530)
0.5953 TDB
period 513.5078680064182
1.41
0.62747
0.001718
d
yr
n .7010603389537557 0.00085665 deg/d
Q 1.72303173799323 0.0014036 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      6 days  
   first obs. used      2019-10-24  
   last obs. used      2019-10-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .40002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:46  

Additional Information
 Earth MOID = .00203152 au 
 Jupiter MOID = 3.3871 au 
 T_jup = 5.057 
[ 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 28.1   .26506 MPO502130 autocmod 2.8

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