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(2011 QD50)
Classification: Apollo [NEO]          SPK-ID: 3577116
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 2455806.5 (2011-Sep-02.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5585401757219788 0.0015196  
a 1.240912518488321 0.002586 au
q .5478130223562511 0.00074424 au
i 7.859653840766469 0.022083 deg
node 144.8731994771991 0.0032496 deg
peri 82.29213512727068 0.011817 deg
M 44.23368021320951 0.1996 deg
tp 2455744.461577133586
(2011-Jul-01.96157713)
0.086017 TDB
period 504.9055860660558
1.38
1.5783
0.004321
d
yr
n .7130045892439422 0.0022288 deg/d
Q 1.934012014620391 0.0040304 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      4 days  
   first obs. used      2011-08-31  
   last obs. used      2011-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .33184  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:55  

Additional Information
 Earth MOID = .0197875 au 
 Jupiter MOID = 3.067 au 
 T_jup = 4.996 
[ 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 23.9   n/a MPO205941  

[ 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
2011-Aug-27 01:54 00:01 Earth 0.0223669628549629 0.022172984838875 0.0225609385513701 18.5503890005863 18.5439661545708 2455800.579089690 1.48760075077023 9666.16795425924 33.4104953672254 0.0534697274049898 273.208767968734 T 7 CATAB v2.0e-lin.ifort 2017-Nov-29 03:21:39 2018-Dec-11 15:40
2068-Jan-12 09:35 9_18:30 Earth 0.29151710298717 0.0925785225868024 0.499384569489018 26.9583491418564 26.9580100965359 2476392.899325164 14069.8410613434 10459451.9277073 1978.60157051976 10.076326822835 3590.58850258664 T 7 CATAB v2.0e-lin.ifort 2017-Nov-29 03:21:39 2018-Dec-11 15:40
2108-Feb-06 07:30 4_17:09 Earth 0.196221706101784 0.126464997202268 0.272028602265952 12.7005476835407 12.6994784781468 2491026.812712960 6788.83285371342 4018357.89222848 5417.34592242165 -23.483088492216 2508.09351143716 T 7 CATAB v2.0e-lin.ifort 2017-Nov-29 03:21:39 2018-Dec-11 15:40
2186-Dec-27 17:53 8_23:38 Venus 0.0388192203657152 0.0185739736143656 0.150544229822587 16.2938482325069 16.2904146757464 2519841.244972332 12938.3480264737 5750502.28840498 1162.84415646212 -28.6275603209535 2340.33616851355 T 7 CATAB v2.0e-lin.ifort 2017-Nov-29 03:21:39 2018-Dec-11 15:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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