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109188 (2001 QE72)
Classification: Main-belt Asteroid          SPK-ID: 2109188
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2617683630219346 4.7369e-08  
a 2.88112985244652 1.9104e-08 au
q 2.126941207317966 1.3772e-07 au
i 3.951815433123181 6.8264e-06 deg
node 25.558550884956 6.251e-05 deg
peri 313.8916801606957 6.4209e-05 deg
M 311.9075337572232 1.8286e-05 deg
tp 2459239.125704435706
(2021-Jan-24.62570444)
9.2567e-05 TDB
period 1786.251783453852
4.89
1.7766e-05
4.864e-08
d
yr
n .2015393369147059 2.0045e-09 deg/d
Q 3.635318497575073 2.4104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8252 days (22.59 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54767  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:19  

Additional Information
 Earth MOID = 1.12074 au 
 Jupiter MOID = 1.77795 au 
 T_jup = 3.239 
[ 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 15.4   n/a MPO469115  

109188 (2001 QE72)          Discovered 2001-Aug-21 by Yeung, W. K. Y. at Desert Eagle
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
1920-Jun-12 08:23 00:03 Jupiter 1.76444400027437 1.76444350303355 1.76444449765592 1.08733511708502 0.471377053650095 2422487.849369890 3.01828006417799 2297.20089007468 974.025724441219 -35.7318749579931 1792246.42594795 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
1945-Aug-15 23:01 00:02 Jupiter 1.95614150342548 1.95613989581224 1.95614311104339 1.69431683237392 1.41587287094517 2431683.459343941 2.27227067488704 287.806141409913 100.920757070887 -83.021412815895 883616.444124423 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
1978-Aug-18 09:40 00:01 Jupiter 1.96045602801526 1.96045497463594 1.96045708139312 1.884425448954 1.63919237208546 2443738.902792921 1.27860928474152 88.0320758374936 34.813886871064 -57.8117704067309 1041379.739796 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
2003-Nov-01 04:24 < 00:01 Jupiter 1.76658254850048 1.76658213504063 1.76658296200481 1.14154126975853 0.586666342531545 2452944.683554822 0.441706350281969 1295.39755673529 477.779887831633 -30.6000783691108 1767737.19717138 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
2062-Jan-11 16:05 00:02 Jupiter 1.89120459707373 1.89120396359876 1.8912052305486 1.53459699938823 1.20798954316057 2474201.170044001 1.50928762024808 163.624168148939 58.2588289686942 -53.807706549768 2042469.74476432 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
2087-Mar-22 04:20 00:02 Jupiter 1.7881738240026 1.78817326989743 1.78817437813215 1.23127601078192 0.754108901771373 2483401.680730766 2.23998549026415 748.00157148185 421.0528735801 -38.8754028821382 1248771.61827353 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
2145-Jun-08 05:44 00:04 Jupiter 1.83827313388238 1.8382718847671 1.83827438306558 1.32624184628524 0.915082459352873 2504663.738603209 4.16586575784908 862.183792384956 140.395106310867 -61.0626703394055 2394311.26113782 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46
2170-Aug-11 10:45 00:05 Jupiter 1.82616089690417 1.82615941686298 1.82616237697381 1.34421484891122 0.937688538360981 2513858.948247278 4.86002168993417 668.39605278019 324.247411475399 -55.100218851986 936025.439911952 T 12 CATAB v2.0e-lin.ifort 2019-May-30 06:46:23 2019-May-30 06:46

Alternate Designations
 2001 QE72 = 1996 TW61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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