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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3729776311120379 0.00072438  
a 1.254986751797194 0.0010215 au
q .7869047660348854 0.00026857 au
i 2.555537641871213 0.0041723 deg
node 40.93404880303078 0.0013051 deg
peri 73.5935211114858 0.0055788 deg
M 110.4414158764171 0.1123 deg
tp 2458842.961537125363
(2019-Dec-25.46153713)
0.032158 TDB
period 513.5197351900266
1.41
0.62699
0.001717
d
yr
n .7010441378008246 0.00085595 deg/d
Q 1.723068737559502 0.0014025 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .40002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-30 08:03:56  

Additional Information
 Earth MOID = .00194734 au 
 Jupiter MOID = 3.38746 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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