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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06387926541430111 3.8374e-08  
a 2.363546808754114 1.2574e-08 au
q 2.212565174838586 8.803e-08 au
i 5.882473280226495 5.8927e-06 deg
node 316.5234906115398 4.0354e-05 deg
peri 271.6807306110705 6.2782e-05 deg
M 49.32870705241734 4.8044e-05 deg
tp 2458418.637997004954
(2018-Oct-27.13799701)
0.00017719 TDB
period 1327.225564794286
3.63
1.0591e-05
2.9e-08
d
yr
n .2712425148741 2.1644e-09 deg/d
Q 2.514528442669643 1.3377e-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 = 1.21186 au 
 Jupiter MOID = 2.49441 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457035.5 (2015-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06302764786691194 3.8402e-08  
q 2.214011820595653 8.7922e-08 au
tp 2457091.947894671166
(2015-Mar-10.44789467)
0.00018043 TDB
node 316.5843092042143 4.036e-05 deg
peri 271.7492976470569 6.3278e-05 deg
i 5.882112060452269 5.8929e-06 deg
  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
 Jupiter MOID = 2.49441 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.474683687622401E-15 -3.34883364702057E-15 -1.586488831393474E-12 -1.127525555716262E-15 -4.406455891658932E-13 1.096518375837669E-15
q -3.34883364702057E-15 7.730195832714655E-15 3.502005741266592E-12 1.314192070847272E-15 9.72670503021196E-13 -2.333628325938368E-15
tp -1.586488831393474E-12 3.502005741266592E-12 3.255414323933822E-8 1.863522651341481E-11 8.805416882915751E-9 2.538416078809401E-13
node -1.127525555716262E-15 1.314192070847272E-15 1.863522651341481E-11 1.628938878663447E-9 -1.614707997151236E-9 4.447468385828707E-11
peri -4.406455891658932E-13 9.72670503021196E-13 8.805416882915751E-9 -1.614707997151236E-9 4.004141567422185E-9 -4.420570653013615E-11
i 1.096518375837669E-15 -2.333628325938368E-15 2.538416078809401E-13 4.447468385828707E-11 -4.420570653013615E-11 3.472582331161624E-11

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-January); 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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