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376646 (2013 QG2)
Classification: Main-belt Asteroid          SPK-ID: 2376646
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 .1946839797509065 4.5246e-08  
a 2.429234958580735 1.942e-08 au
q 1.956301829094209 1.1419e-07 au
i 2.829717040231023 6.4678e-06 deg
node 227.0431372344414 0.00014459 deg
peri 25.48772118336108 0.00014652 deg
M 344.2289660205834 2.1249e-05 deg
tp 2459061.084339435938
(2020-Jul-30.58433944)
8.1473e-05 TDB
period 1382.938000476267
3.79
1.6583e-05
4.54e-08
d
yr
n .260315357504111 3.1215e-09 deg/d
Q 2.902168088067261 2.3201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5455 days (14.93 yr)  
   first obs. used      2005-05-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:18:16  

Additional Information
 Earth MOID = .942379 au 
 Jupiter MOID = 2.1418 au 
 T_jup = 3.481 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947983904544858 4.5292e-08  
q 1.956835189548831 1.1445e-07 au
tp 2457676.782865396825
(2016-Oct-15.28286540)
8.6355e-05 TDB
node 227.0871932942922 0.0001447 deg
peri 25.19194888438032 0.00014663 deg
i 2.828052705785396 6.4654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5455 days (14.93 yr)  
   first obs. used      2005-05-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:18:16  

Additional Information
 Jupiter MOID = 2.1418 au 
 T_jup = 3.481 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.051321058631855E-15 -5.1374279909642E-15 -1.003630120199484E-12 -5.10675727963496E-14 -2.193598558097062E-13 1.047810964436665E-15
q -5.1374279909642E-15 1.309822079642485E-14 1.940027534080662E-12 1.20826844163245E-13 3.808640079527633E-13 -2.011897250037513E-15
tp -1.003630120199484E-12 1.940027534080662E-12 7.457116339848333E-9 1.082333027337709E-10 2.107980507015284E-9 -5.073233001657057E-12
node -5.10675727963496E-14 1.20826844163245E-13 1.082333027337709E-10 2.093900390921812E-8 -2.088103400681069E-8 -4.872737081420487E-10
peri -2.193598558097062E-13 3.808640079527633E-13 2.107980507015284E-9 -2.088103400681069E-8 2.149944283700291E-8 4.852385375181182E-10
i 1.047810964436665E-15 -2.011897250037513E-15 -5.073233001657057E-12 -4.872737081420487E-10 4.852385375181182E-10 4.180137274929722E-11

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 17.5   n/a MPO418908  

376646 (2013 QG2)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

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