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JPL Small-Body Database Browser
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(2017 UU2)
Classification: Apollo [NEO]          SPK-ID: 3787627
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 2458048.5 (2017-Oct-22.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5263625253448203 0.00086614  
a 1.819500155720445 0.0030136 au
q .8617834588901376 0.00014858 au
i 1.685798761567542 0.0021651 deg
node 221.5927729746811 0.0028228 deg
peri 222.030755969554 0.001801 deg
M 343.6611211492022 0.046668 deg
tp 2458089.186124557844
(2017-Dec-01.68612456)
0.015127 TDB
period 896.451034038276
2.45
2.2272
0.006098
d
yr
n .4015835626607454 0.00099771 deg/d
Q 2.777216852550752 0.0045999 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2017-10-21  
   last obs. used      2017-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .2945  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-24 06:21:51  

Additional Information
 Earth MOID = .00516055 au 
 Jupiter MOID = 2.49133 au 
 T_jup = 3.865 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 7.501950738754505E-7 -1.286881535452385E-7 -1.310214803568368E-5 2.252573637016146E-6 -1.140603525978344E-6 1.872001522574178E-6
q -1.286881535452385E-7 2.207586152312874E-8 2.247461859266579E-6 -3.856407508207084E-7 1.947519304479133E-7 -3.212119144330081E-7
tp -1.310214803568368E-5 2.247461859266579E-6 .0002288365372629722 -3.941240458951813E-5 2.000624459363345E-5 -3.26861027164575E-5
node 2.252573637016146E-6 -3.856407508207084E-7 -3.941240458951813E-5 7.968202907931075E-6 -4.768365228795169E-6 5.48049932997572E-6
peri -1.140603525978344E-6 1.947519304479133E-7 2.000624459363345E-5 -4.768365228795169E-6 3.243772490671627E-6 -2.689422040085773E-6
i 1.872001522574178E-6 -3.212119144330081E-7 -3.26861027164575E-5 5.48049932997572E-6 -2.689422040085773E-6 4.687720352913526E-6

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 26.4   n/a MPO421535  

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