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497619 (2006 QL39)
Classification: Asteroid          SPK-ID: 2497619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6009899245337283 3.5327e-08  
a 5.115866507853553 3.7923e-08 au
q 2.041282281374018 1.7312e-07 au
i 13.34840466200663 8.3664e-06 deg
node 172.2692748162557 2.069e-05 deg
peri 253.990961963528 2.1706e-05 deg
M 69.57991752993651 4.5427e-06 deg
tp 2458383.619289093419
(2018-Sep-22.11928909)
4.7319e-05 TDB
period 4226.464565725356
11.57
4.6995e-05
1.287e-07
d
yr
n .08517757440093809 9.4711e-10 deg/d
Q 8.190450734333089 6.0715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      5398 days (14.78 yr)  
   first obs. used      2006-07-21  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:16:59  

Additional Information
 Earth MOID = 1.10013 au 
 Jupiter MOID = .408747 au 
 T_jup = 2.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457525.5 (2016-May-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6011570751601205 3.5281e-08  
q 2.041467611797646 1.731e-07 au
tp 2458383.753528519382
(2018-Sep-22.25352852)
4.7311e-05 TDB
node 172.2696808106917 2.0704e-05 deg
peri 254.174357198674 2.1719e-05 deg
i 13.34280275779422 8.3629e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      5398 days (14.78 yr)  
   first obs. used      2006-07-21  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:16:59  

Additional Information
 Jupiter MOID = .408747 au 
 T_jup = 2.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.244746331947252E-15 -6.090961293320934E-15 1.841823884706912E-13 4.671133337778067E-15 -4.639356075554772E-14 -1.122584942561056E-14
q -6.090961293320934E-15 2.996404753845492E-14 -5.09141415455793E-13 -2.317042929587582E-14 2.553254629579096E-13 5.398369204329417E-14
tp 1.841823884706912E-13 -5.09141415455793E-13 2.238365457524906E-9 -9.219221290929205E-12 2.932377110014444E-10 -1.113339964441677E-11
node 4.671133337778067E-15 -2.317042929587582E-14 -9.219221290929205E-12 4.28660733794352E-10 -4.185719725789149E-10 2.596540553648868E-11
peri -4.639356075554772E-14 2.553254629579096E-13 2.932377110014444E-10 -4.185719725789149E-10 4.717222808080071E-10 -2.575897612870459E-11
i -1.122584942561056E-14 5.398369204329417E-14 -1.113339964441677E-11 2.596540553648868E-11 -2.575897612870459E-11 6.993836899178845E-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 13.68   n/a E2021B25  
rotation period rot_per 19.8482 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

497619 (2006 QL39)          Discovered 2006-Aug-19 by LONEOS at Anderson Mesa
Reference: Last Updated: 2017-10-09

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