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(2017 UH)
Classification: Apollo [NEO]          SPK-ID: 3786455
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 2458045.5 (2017-Oct-19.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4562268493821508 0.0019109  
a 1.698866483199431 0.0057286 au
q .9237979800484201 0.00013134 au
i 10.82725145847521 0.035697 deg
node 25.36677251776797 0.0016472 deg
peri 53.24974106927004 0.012758 deg
M 340.8798774837607 0.11352 deg
tp 2458088.456161775658
(2017-Nov-30.95616178)
0.037773 TDB
period 808.7928425198423
2.21
4.0909
0.0112
d
yr
n .4451077965507194 0.0022514 deg/d
Q 2.473934986350443 0.0083421 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      10 days  
   first obs. used      2017-10-16  
   last obs. used      2017-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .41512  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-28 06:43:07  

Additional Information
 Earth MOID = .0356676 au 
 Jupiter MOID = 2.87479 au 
 T_jup = 4.062 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.651571406985178E-6 -2.509512325740394E-7 -7.217828017661245E-5 3.14748945507787E-6 -2.436846598415162E-5 6.821319446139254E-5
q -2.509512325740394E-7 1.724916066939369E-8 4.959986000976853E-6 -2.163182182193129E-7 1.674096606523959E-6 -4.687836377486733E-6
tp -7.217828017661245E-5 4.959986000976853E-6 .001426763032998274 -6.22129934346848E-5 .0004817666078576151 -.001348334636320429
node 3.14748945507787E-6 -2.163182182193129E-7 -6.22129934346848E-5 2.713305382260786E-6 -2.10026735078555E-5 5.879676382454478E-5
peri -2.436846598415162E-5 1.674096606523959E-6 .0004817666078576151 -2.10026735078555E-5 .0001627561015997045 -.0004552276681700424
i 6.821319446139254E-5 -4.687836377486733E-6 -.001348334636320429 5.879676382454478E-5 -.0004552276681700424 .001274260792938647

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 26.2   n/a MPO421525  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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