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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 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 
[ 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 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

[ 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
1953-Dec-25 00:06 00:03 Jupiter 1.63568965913278 1.63568867803522 1.63569064024402 3.4893254395573 3.33762126557872 2434736.504200843 2.8987167889804 310.119759352588 28.6094769430311 83.8717326501686 2787994.80465184 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
1964-Mar-22 13:16 00:03 Jupiter 1.80814127220929 1.80813977022071 1.80814277419941 2.56360072290695 2.37384710200084 2438477.052540485 2.84824607704031 127.457746233845 38.2161184848447 -50.8087275999671 2007775.81287708 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2036-Nov-26 07:06 00:01 Jupiter 1.6200002736888 1.61999985270548 1.62000069467248 3.45888658010954 3.30426841238519 2465023.795841066 1.068603930471 155.67356129679 17.7111867771813 -86.9373421124979 2822715.06022562 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2047-Feb-15 22:09 00:02 Jupiter 1.8530548864972 1.85305379007559 1.85305598291934 2.63148425225582 2.45163597344358 2468757.422734635 1.92907064586263 91.8391459734016 33.7441595080904 -55.6744132277623 2073860.99688553 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2109-Jun-27 14:02 00:05 Jupiter 1.9785883768565 1.9785854147591 1.97859133896244 3.59082645653118 3.46955990438374 2491534.084672807 4.63955046326817 286.909751339427 75.3311570388079 -62.5761714646939 1993305.4619004 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2119-Oct-30 08:17 00:05 Jupiter 1.60682528110345 1.60682482214783 1.60682574006437 3.43099728959399 3.27375344340008 2495310.844934661 4.98292611189707 570.028134495728 20.0918462806662 -89.908759820603 2787504.00553777 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2130-Jan-16 20:07 00:07 Jupiter 1.8893468294268 1.88934368080158 1.88934997806039 2.73005842489789 2.56058372482747 2499042.338148772 6.6455561761825 263.630468191992 30.3642506663264 -54.3535887589543 1932100.35750573 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20
2192-May-30 23:59 00:09 Jupiter 1.93649108295186 1.93648541206193 1.9364967538615 3.51979631418871 3.39325282495823 2521822.499075145 8.8034980044701 438.44465120828 95.9795134390499 -51.12656730747 1668960.16483977 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 03:20:40 2020-Feb-24 03:20

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