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JPL Small-Body Database Browser
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(2019 UR4)
Classification: Apollo [NEO]          SPK-ID: 3879537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764362883986503 0.00060587  
a 1.054679832089529 0.00030684 au
q .8685960370667408 0.00038629 au
i 1.246891722417482 0.004932 deg
node 351.7090812078382 0.018928 deg
peri 133.9134372854598 0.0094836 deg
M 120.9859002625489 0.13231 deg
tp 2458467.542864884791
(2018-Dec-15.04286488)
0.20343 TDB
period 395.6210478874413
1.08
0.17265
0.0004727
d
yr
n .9099616967356705 0.00039711 deg/d
Q 1.240763627112317 0.00036098 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      12 days  
   first obs. used      2019-10-23  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-04 04:55:56  

Additional Information
 Earth MOID = .013486 au 
 Jupiter MOID = 3.7919 au 
 T_jup = 5.820 
[ 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 26.876   .32804 5 autocmod 2.8

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