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457911 (2009 UT17)
Classification: Main-belt Asteroid          SPK-ID: 2457911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2475725523077177 8.9712e-08  
a 2.749823964738412 4.2838e-08 au
q 2.069043027391196 2.4081e-07 au
i 13.46222841107273 1.0815e-05 deg
node 338.0663036322216 2.9553e-05 deg
peri 335.5777102120226 3.5674e-05 deg
M 163.1007514518145 2.0179e-05 deg
tp 2458245.913159962369
(2018-May-07.41315996)
9.25e-05 TDB
period 1665.542678347513
4.56
3.892e-05
1.066e-07
d
yr
n .216145767190534 5.0509e-09 deg/d
Q 3.430604902085628 5.3444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2004-06-17  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:13:35  

Additional Information
 Earth MOID = 1.06349 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.262 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO495286  

457911 (2009 UT17)          Discovered 2009-Oct-19 by Lowe, A. at Mayhill
Reference: Last Updated: 2016-02-25

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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
1979-Oct-21 16:53 00:02 Jupiter 1.9634879713784 1.96348655205998 1.96348939072439 3.54319338511653 3.41927566108479 2444168.203393986 2.3040835912289 1072.79194556857 56.3037969963994 -88.3247416255524 1215401.41576941 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 12:13:50 2020-Feb-26 12:13
2038-Dec-15 13:41 00:01 Jupiter 1.93344665076359 1.93344578839269 1.93344751317635 3.4839682965513 3.35586892735798 2465773.069968269 1.48235966631802 1087.31757121907 28.7364354742259 -88.6658230181669 1388108.29024706 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 12:13:50 2020-Feb-26 12:13
2098-Feb-08 17:29 00:05 Jupiter 1.91564164512814 1.91564078354895 1.91564250670907 3.42683749466811 3.2952834025182 2487378.228506390 5.19789398463711 1755.69280600527 33.9608880602838 -89.6611072406642 1401443.50930985 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 12:13:50 2020-Feb-26 12:13
2157-Apr-05 21:39 00:09 Jupiter 1.91040528513508 1.91040436778303 1.91040620320917 3.36980263070077 3.2355561126503 2508983.402177828 9.01235239919956 3170.34259031421 25.2524403596188 -89.1050172999177 1418508.59217447 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 12:13:50 2020-Feb-26 12:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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