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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06350037733743114 3.711e-08  
a 2.36330047589585 1.1853e-08 au
q 2.213230003914733 8.5759e-08 au
i 5.883584120648713 5.5282e-06 deg
node 316.5183272315019 3.9695e-05 deg
peri 271.3547984430605 6.0102e-05 deg
M 212.4754378230816 4.5795e-05 deg
tp 2459744.299337489844
(2022-Jun-13.79933749)
0.00016925 TDB
period 1327.018081650498
3.63
9.9832e-06
2.733e-08
d
yr
n .2712849244316586 2.0409e-09 deg/d
Q 2.513370947876968 1.2605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      2000-02-08  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:52:00  

Additional Information
 Earth MOID = 1.21134 au 
 Jupiter MOID = 2.49302 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0630762460756317 3.7108e-08  
q 2.214010870186515 8.5687e-08 au
tp 2457092.022163526371
(2015-Mar-10.52216353)
0.00016925 TDB
node 316.5834743020222 3.9715e-05 deg
peri 271.7730040413849 6.0343e-05 deg
i 5.882103229152528 5.5273e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      2000-02-08  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:52:00  

Additional Information
 Jupiter MOID = 2.49302 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.376978210428984E-15 -3.154134624949793E-15 -9.733410328710647E-13 9.056450038855704E-16 -2.689030466579985E-13 1.316860858093787E-15
q -3.154134624949793E-15 7.34225643903959E-15 2.275174431259159E-12 -2.998464090163967E-15 6.294009388977689E-13 -2.844307233139459E-15
tp -9.733410328710647E-13 2.275174431259159E-12 2.864649357957539E-8 1.520676558426126E-11 7.701632208193421E-9 1.573938565659275E-12
node 9.056450038855704E-16 -2.998464090163967E-15 1.520676558426126E-11 1.57725964243225E-9 -1.564320328854041E-9 3.00973845833279E-11
peri -2.689030466579985E-13 6.294009388977689E-13 7.701632208193421E-9 -1.564320328854041E-9 3.641325339810491E-9 -2.95430920962747E-11
i 1.316860858093787E-15 -2.844307233139459E-15 1.573938565659275E-12 3.00973845833279E-11 -2.95430920962747E-11 3.05505341355613E-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. 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 19 CATAB v2.0f-lin.ifort 2021-Feb-24 08:52:01 2021-Feb-24 08:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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