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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3754235476924692 0.00071714  
a 1.265343560402311 0.00099818 au
q .7903037919062553 0.00028399 au
i 2.474868338193067 0.0044712 deg
node 41.05924370396551 0.00065066 deg
peri 72.54911854530323 0.00047077 deg
M 192.460621029766 0.21809 deg
tp 2458842.449938580926
(2019-Dec-24.94993858)
0.028662 TDB
period 519.8895831206858
1.42
0.61518
0.001684
d
yr
n .6924547282503072 0.00081937 deg/d
Q 1.740383328898367 0.0013729 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 = .00202638 au 
 Jupiter MOID = 3.37536 au 
 T_jup = 5.025 
[ 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 28.146   .26506 2 autocmod 2.8

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