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109630 (2001 QT323)
Classification: Main-belt Asteroid          SPK-ID: 2109630
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780704761519959 3.8467e-08  
a 2.645967218478132 1.2042e-08 au
q 2.174798576001159 1.015e-07 au
i 13.47576040439795 5.413e-06 deg
node 142.0899518654806 1.6501e-05 deg
peri 255.0164022611899 2.2438e-05 deg
M 149.7164564381348 1.4686e-05 deg
tp 2458546.704157549719
(2019-Mar-04.20415755)
6.2804e-05 TDB
period 1572.081712870077
4.30
1.0732e-05
2.938e-08
d
yr
n .2289957303445536 1.5633e-09 deg/d
Q 3.117135860955106 1.4187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2001-08-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:16:37  

Additional Information
 Earth MOID = 1.22402 au 
 Jupiter MOID = 2.47115 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754140382918682 3.8292e-08  
q 2.182671903396487 1.0081e-07 au
tp 2456971.229392468911
(2014-Nov-09.72939247)
6.2614e-05 TDB
node 142.1852056227497 1.6462e-05 deg
peri 254.6040880445038 2.2664e-05 deg
i 13.48649288488625 5.4173e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2001-08-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:16:37  

Additional Information
 Jupiter MOID = 2.47115 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.466288774959725E-15 -3.841447774283973E-15 -9.432946798204724E-13 3.437467278972618E-16 -2.571692224351491E-13 -4.843695280328558E-15
q -3.841447774283973E-15 1.016185356828608E-14 2.558528304982402E-12 -1.470683802614736E-15 6.963062646170351E-13 1.302427647750857E-14
tp -9.432946798204724E-13 2.558528304982402E-12 3.920461289248495E-9 -2.033127418904359E-12 9.861245276864848E-10 5.006165221346145E-12
node 3.437467278972618E-16 -1.470683802614736E-15 -2.033127418904359E-12 2.709979018447084E-10 -2.637001812277971E-10 1.826862373200587E-11
peri -2.571692224351491E-13 6.963062646170351E-13 9.861245276864848E-10 -2.637001812277971E-10 5.136694382746652E-10 -1.64714417976842E-11
i -4.843695280328558E-15 1.302427647750857E-14 5.006165221346145E-12 1.826862373200587E-11 -1.64714417976842E-11 2.93468299757863E-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 15.28   n/a E2021B55  
rotation period rot_per 28.4103 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.]

109630 (2001 QT323)          Discovered 2001-Aug-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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