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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06336522288813955 3.7068e-08  
a 2.36358441746199 1.1876e-08 au
q 2.213815364034578 8.5677e-08 au
i 5.883538808013669 5.5192e-06 deg
node 316.5183929943506 3.9654e-05 deg
peri 271.2982762641085 6.0086e-05 deg
M 265.6900142130459 4.587e-05 deg
tp 2459744.204477034125
(2022-Jun-13.70447703)
0.00016941 TDB
period 1327.257243098855
3.63
1.0003e-05
2.739e-08
d
yr
n .2712360409949459 2.0442e-09 deg/d
Q 2.513353470889403 1.2628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      7678 days (21.02 yr)  
   first obs. used      2000-02-08  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:15:20  

Additional Information
 Earth MOID = 1.21363 au 
 Jupiter MOID = 2.49189 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 15.92   n/a MPCxxxxx  
rotation period rot_per 194.772 h n/a LCDB (Rev. 2020-October); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2023-Nov-21 03:37 00:01 Thisb 0.0238101843177945 0.0238079336691421 0.0238124350733827 2.65232428555475 2.65232417758915 2460269.650438874 1.2042719797158 141.573287658639 44.062600931506 39.9839553401215 55334.9455490396 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 16:15:22 2021-Apr-13 16:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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