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109149 (2001 QR58)
Classification: Main-belt Asteroid          SPK-ID: 2109149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09584474153073154 4.1938e-08  
a 2.660462352343628 1.2335e-08 au
q 2.405471025831011 1.0961e-07 au
i 15.07370212890235 4.8133e-06 deg
node 22.22538051143533 1.6137e-05 deg
peri 24.39004666653025 3.3427e-05 deg
M 137.4536977414095 2.7228e-05 deg
tp 2458595.315174042124
(2019-Apr-21.81517404)
0.0001198 TDB
period 1585.017652669526
4.34
1.1023e-05
3.018e-08
d
yr
n .2271268079530086 1.5796e-09 deg/d
Q 2.915453678856245 1.3517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:44  

Additional Information
 Earth MOID = 1.41844 au 
 Jupiter MOID = 2.49883 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457311.5 (2015-Oct-16.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09370162372471338 4.1734e-08  
q 2.412265255666895 1.0873e-07 au
tp 2457008.073695344649
(2014-Dec-16.57369534)
0.00012434 TDB
node 22.27035091154977 1.6153e-05 deg
peri 24.17764361749902 3.4172e-05 deg
i 15.06401790115266 4.8109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:44  

Additional Information
 Jupiter MOID = 2.49883 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741719998596394E-15 -4.515042160265573E-15 -1.971434426744328E-12 3.149687283300328E-15 -5.21433566695118E-13 8.334504808092864E-16
q -4.515042160265573E-15 1.182238867569557E-14 5.10687686784867E-12 -6.543907785074751E-15 1.353123354166251E-12 -2.492973029231204E-15
tp -1.971434426744328E-12 5.10687686784867E-12 1.546011436327211E-8 -5.359608724963273E-12 3.758884458851779E-9 -1.814254433264782E-11
node 3.149687283300328E-15 -6.543907785074751E-15 -5.359608724963273E-12 2.609351829254584E-10 -2.52986573002084E-10 -1.811890352770606E-11
peri -5.21433566695118E-13 1.353123354166251E-12 3.758884458851779E-9 -2.52986573002084E-10 1.167733776347233E-9 1.307804787871085E-11
i 8.334504808092864E-16 -2.492973029231204E-15 -1.814254433264782E-11 -1.811890352770606E-11 1.307804787871085E-11 2.314499247030187E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.52   n/a E2021B55  
rotation period rot_per 14.1471 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.]

109149 (2001 QR58)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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