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266701 (2009 QL7)
Classification: Main-belt Asteroid          SPK-ID: 2266701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0765065087595232 7.5662e-08  
a 3.174565918017041 4.6955e-08 au
q 2.931690962802587 2.7185e-07 au
i 8.732180282422696 5.1765e-06 deg
node 272.287291943807 3.5942e-05 deg
peri 89.52904213794415 5.1875e-05 deg
M 311.4609124845617 3.482e-05 deg
tp 2459279.056988079652
(2021-Mar-05.55698808)
0.00019819 TDB
period 2065.974472156686
5.66
4.5837e-05
1.255e-07
d
yr
n .1742519110723538 3.8661e-09 deg/d
Q 3.417440873231495 5.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      6285 days (17.21 yr)  
   first obs. used      2003-07-24  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:57  

Additional Information
 Earth MOID = 1.94609 au 
 Jupiter MOID = 1.98899 au 
 T_jup = 3.179 
[ 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 15.5   n/a MPO367830  

266701 (2009 QL7)          Discovered 2009-Aug-17 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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
1960-May-04 08:21 00:27 Thisb 0.0286500709709723 0.0286270081572542 0.02867314050011 1.83078997103482 1.83078984104464 2437058.848058092 27.3726547930549 1340.65913777909 99.766847382308 31.2251764179106 22377.995885919 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:58 2020-Nov-11 22:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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