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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06370190557838816 3.8202e-08  
a 2.362842086705774 1.2351e-08 au
q 2.212324543201801 8.7646e-08 au
i 5.883581133896845 5.8196e-06 deg
node 316.5195511014244 4.0282e-05 deg
peri 271.3779515089425 6.2329e-05 deg
M 158.1847286302796 4.7628e-05 deg
tp 2458417.575207610575
(2018-Oct-26.07520761)
0.00017558 TDB
period 1326.632014843077
3.63
1.0402e-05
2.848e-08
d
yr
n .2713638717987545 2.1277e-09 deg/d
Q 2.513359630209747 1.3137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      7568 days (20.72 yr)  
   first obs. used      2000-02-08  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:33  

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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