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109155 (2001 QR60)
Classification: Main-belt Asteroid          SPK-ID: 2109155
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138357622972095 4.2351e-08  
a 3.128643400126328 3.3941e-08 au
q 2.772491893716814 1.3259e-07 au
i 10.91716305987211 4.9061e-06 deg
node 268.1494592020712 3.343e-05 deg
peri 348.5460182560847 4.8224e-05 deg
M 190.7804035479867 3.8802e-05 deg
tp 2459950.624855208538
(2023-Jan-06.12485521)
0.0002257 TDB
period 2021.308140703843
5.53
3.2892e-05
9.005e-08
d
yr
n .1781024836097695 2.8982e-09 deg/d
Q 3.484794906535842 3.7805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:23  

Additional Information
 Earth MOID = 1.75823 au 
 Jupiter MOID = 1.6078 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457472.5 (2016-Mar-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155271073673648 4.225e-08  
q 2.768273231428688 1.3291e-07 au
tp 2457926.923779945736
(2017-Jun-22.42377995)
0.00020771 TDB
node 268.2803188458827 3.3455e-05 deg
peri 347.8898954840266 4.7935e-05 deg
i 10.91176466518543 4.906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:23  

Additional Information
 Jupiter MOID = 1.6078 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.785096034669375E-15 -5.468860481774442E-15 7.784315706404883E-13 4.498305110894517E-15 1.207652870852312E-13 5.982566485437048E-16
q -5.468860481774442E-15 1.766381225377792E-14 2.730244963231868E-13 -9.383960654460982E-15 2.769847234847999E-14 -1.675228089241783E-15
tp 7.784315706404883E-13 2.730244963231868E-13 4.314326457132813E-8 -3.246572409591271E-11 7.200125083078244E-9 7.798490343205811E-12
node 4.498305110894517E-15 -9.383960654460982E-15 -3.246572409591271E-11 1.119258451868622E-9 -1.10431749766337E-9 2.309857543937012E-11
peri 1.207652870852312E-13 2.769847234847999E-14 7.200125083078244E-9 -1.10431749766337E-9 2.297745365955504E-9 -2.149277273223846E-11
i 5.982566485437048E-16 -1.675228089241783E-15 7.798490343205811E-12 2.309857543937012E-11 -2.149277273223846E-11 2.406898879692912E-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 14.6   n/a MPO453550  
diameter diameter 7.879 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109155 (2001 QR60)          Discovered 2001-Aug-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QR60 = 2000 JK79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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