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JPL Small-Body Database Browser
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109362 (2001 QO157)
Classification: Main-belt Asteroid          SPK-ID: 2109362
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06370190267515692 3.8431e-08  
a 2.362842074556382 1.2462e-08 au
q 2.212324538686225 8.8043e-08 au
i 5.883580442841186 5.8937e-06 deg
node 316.5195547493383 4.0345e-05 deg
peri 271.3779565054306 6.2855e-05 deg
M 158.1847225761854 4.8128e-05 deg
tp 2458417.575234416422
(2018-Oct-26.07523442)
0.00017751 TDB
period 1326.632004611051
3.63
1.0495e-05
2.873e-08
d
yr
n .2713638738917252 2.1469e-09 deg/d
Q 2.513359610426538 1.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2000-02-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:51:29  

Additional Information
 Earth MOID = 1.21171 au 
 Jupiter MOID = 2.49423 au 
 T_jup = 3.540 
[ show covariance matrix ]

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 15.9   n/a MPO439734  
rotation period rot_per 194.772 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

109362 (2001 QO157)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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