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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 
[ 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 26.2   n/a MPO421525  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2017-Oct-25 16:22 < 00:01 Earth 0.0386608830775162 0.038239533736355 0.0390822218573774 10.958432804551 10.9521418461326 2458052.182003308 0.211185707244954 20986.5353555872 16.6917585882474 0.0112935735176941 182.227163334458 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 18:25:22 2018-Dec-11 17:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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