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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6507731070021642 0.00015482  
a 2.437867158137356 0.0010145 au
q .8513687731777726 2.3163e-05 au
i 10.46244322606573 0.0019492 deg
node 228.8501697114345 0.00065032 deg
peri 231.0904284087248 0.00072808 deg
M 42.15294690407287 0.025827 deg
tp 2458837.705801925456
(2019-Dec-20.20580193)
0.0018707 TDB
period 1390.315876140398
3.81
0.86781
0.002376
d
yr
n .258933963265515 0.00016162 deg/d
Q 4.024365543096939 0.0016746 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      31 days  
   first obs. used      2019-10-19  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-10 06:01:06  

Additional Information
 Earth MOID = .00377111 au 
 Jupiter MOID = 1.35023 au 
 T_jup = 3.157 
[ 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 22.2   .42336 E2019-WC0 autocmod 2.8

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