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JPL Small-Body Database Browser
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(2019 UR2)
Classification: Apollo [NEO]          SPK-ID: 3879298
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6504577396697651 0.00016668  
a 2.435357576685704 0.0010899 au
q .8512603920670845 2.4964e-05 au
i 10.46794441487735 0.0020944 deg
node 228.860346393716 0.00070505 deg
peri 231.1230866736355 0.00077379 deg
M 298.4725417296476 0.041829 deg
tp 2458837.751521003999
(2019-Dec-20.25152100)
0.0020312 TDB
period 1388.169606911841
3.80
0.93185
0.002551
d
yr
n .259334304833878 0.00017409 deg/d
Q 4.019454761304323 0.0017988 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      30 days  
   first obs. used      2019-10-19  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .37368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-20 04:59:37  

Additional Information
 Earth MOID = .00356841 au 
 Jupiter MOID = 1.35482 au 
 T_jup = 3.159 
[ 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 22.173   .41203 16 autocmod 2.8

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