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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141035619905223 4.2754e-08  
a 3.127580280630982 3.4128e-08 au
q 2.770712230199669 1.3439e-07 au
i 10.91738851350987 5.0828e-06 deg
node 268.1493438678694 3.9138e-05 deg
peri 348.3881745357755 5.4384e-05 deg
M 119.7033282925623 4.0614e-05 deg
tp 2457928.738899910772
(2017-Jun-24.23889991)
0.00022393 TDB
period 2020.27796120309
5.53
3.3067e-05
9.053e-08
d
yr
n .1781933015720359 2.9166e-09 deg/d
Q 3.484448331062294 3.8022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55127  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:41  

Additional Information
 Earth MOID = 1.75617 au 
 Jupiter MOID = 1.60735 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162249482282361 4.2683e-08  
q 2.763969512680707 1.3478e-07 au
tp 2457927.862552420724
(2017-Jun-23.36255242)
0.00022067 TDB
node 268.3630399035601 3.9113e-05 deg
peri 348.144215379194 5.3979e-05 deg
i 10.9220836858684 5.0904e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55127  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:41  

Additional Information
 Jupiter MOID = 1.60735 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.821811956234104E-15 -5.606925840830429E-15 1.3381445553746E-12 1.163209066840343E-14 2.190768182534388E-13 4.539178801331415E-16
q -5.606925840830429E-15 1.816534452488447E-14 -1.86411474420666E-12 -2.752150977533607E-14 -3.536933649066518E-13 4.299425363986271E-16
tp 1.3381445553746E-12 -1.86411474420666E-12 4.869567733729637E-8 -5.889573534122018E-11 8.311125605516293E-9 6.391319363604535E-12
node 1.163209066840343E-14 -2.752150977533607E-14 -5.889573534122018E-11 1.529856018919937E-9 -1.512084973687755E-9 5.054610785389852E-11
peri 2.190768182534388E-13 -3.536933649066518E-13 8.311125605516293E-9 -1.512084973687755E-9 2.913769251679288E-9 -4.881823424803778E-11
i 4.539178801331415E-16 4.299425363986271E-16 6.391319363604535E-12 5.054610785389852E-11 -4.881823424803778E-11 2.591219553822901E-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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