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109510 (2001 QM235)
Classification: Main-belt Asteroid          SPK-ID: 2109510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890089268888626 5.3032e-08  
a 2.389281965957044 8.5981e-09 au
q 1.937686345536591 1.2731e-07 au
i .436620223193821 3.7947e-06 deg
node 277.9606934574739 0.00071908 deg
peri 116.6070431062387 0.00071916 deg
M 348.5958178301732 9.8967e-06 deg
tp 2459043.232783236017
(2020-Jul-12.73278324)
3.7132e-05 TDB
period 1348.961436767349
3.69
7.2816e-06
1.994e-08
d
yr
n .2668719729028755 1.4406e-09 deg/d
Q 2.840877586377497 1.0223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8026 days (21.97 yr)  
   first obs. used      1998-10-23  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:37  

Additional Information
 Earth MOID = .944289 au 
 Jupiter MOID = 2.58852 au 
 T_jup = 3.509 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO439734  
rotation period rot_per 5.261 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

109510 (2001 QM235)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QM235 = 1998 XM96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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