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JPL Small-Body Database Browser
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266702 (2009 QG9)
Classification: Main-belt Asteroid          SPK-ID: 2266702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178308569840474 4.2095e-08  
a 2.209067775491572 1.3982e-08 au
q 1.815172059762992 8.8833e-08 au
i 5.754248355067601 7.0215e-06 deg
node 261.3374777326719 9.3142e-05 deg
peri 27.9031618502748 9.7605e-05 deg
M 15.97569097421946 3.1423e-05 deg
tp 2458547.280702441791
(2019-Mar-04.78070244)
0.00010462 TDB
period 1199.256241991195
3.28
1.1386e-05
3.117e-08
d
yr
n .3001860548186691 2.8499e-09 deg/d
Q 2.602963491220151 1.6475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:20  

Additional Information
 Earth MOID = .800524 au 
 Jupiter MOID = 2.55942 au 
 T_jup = 3.631 
[ 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 17.3   n/a MPO494441  

266702 (2009 QG9)          Discovered 2009-Aug-19 by LINEAR at Socorro
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
2133-Jan-11 18:37 00:02 Iris 0.0116822839162882 0.0116410436015812 0.0117235795902398 6.80788701602682 6.80788694374436 2500133.275658813 1.60709015928038 2417.35425690954 87.3856172407404 -31.6885321595672 10520.521672987 T 13 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:22 2019-Dec-14 17:22
2159-Mar-17 16:44 < 00:01 Juno 0.0434809730363599 0.0434693225836805 0.0434926947360352 8.4813289037368 8.48132887074677 2509694.197084822 0.531865375623523 2858.57105935321 75.6858542615865 -78.3377901158246 84150.229478173 T 13 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:22 2019-Dec-14 17:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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