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JPL Small-Body Database Browser
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56918 (2000 QQ230)
Classification: Main-belt Asteroid          SPK-ID: 2056918
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 .04112019983942884 7.2341e-08  
a 3.108588313562255 3.0039e-08 au
q 2.980762540890062 2.3339e-07 au
i 21.84232295796875 7.6349e-06 deg
node 2.967497201184502 1.5286e-05 deg
peri 123.3761504549631 0.00010189 deg
M 84.70674853786424 9.5724e-05 deg
tp 2458529.458953936216
(2019-Feb-14.95895394)
0.00053322 TDB
period 2001.903974712969
5.48
2.9018e-05
7.945e-08
d
yr
n .1798288052510693 2.6066e-09 deg/d
Q 3.236414086234447 3.1275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:58:30  

Additional Information
 Earth MOID = 2.02402 au 
 Jupiter MOID = 1.77757 au 
 T_jup = 3.108 
[ 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 14.3   n/a MPO385183  
diameter diameter 9.024 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56918 (2000 QQ230)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ 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
1951-Jun-08 17:02 00:02 Jupiter 1.76986095006055 1.76986012533887 1.76986177478283 6.3969809405738 6.32172463585318 2433806.209425462 2.39347380952114 317.309372658905 39.7942341174912 88.8256235892344 2596849.33688198 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 11:58:45 2020-Feb-23 11:58
2022-Oct-11 00:59 < 00:01 Jupiter 1.78174212372301 1.78174127571049 1.78174297173574 6.3986324651892 6.3239004800304 2459863.541072568 0.439678728114121 198.443152837211 40.9298983022806 -88.157358001917 2513229.1586286 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 11:58:45 2020-Feb-23 11:58
2094-Feb-14 18:17 00:03 Jupiter 1.81555997972563 1.8155582755327 1.81556168394683 6.3658569057495 6.29214302756713 2485923.261788285 3.1287228495994 466.541003418775 51.7212062892376 -81.6831081702482 2290893.96477873 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 11:58:45 2020-Feb-23 11:58
2165-Jun-26 00:40 00:06 Jupiter 1.87104536529684 1.87104153647001 1.87104919433021 6.29248246824525 6.22012341638088 2511986.527782467 6.0124640602915 1070.79644707787 66.3908790951359 -80.291029780192 2200262.54319676 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 11:58:45 2020-Feb-23 11:58
2175-Nov-11 04:49 00:07 Jupiter 1.99812542597211 1.99812014822773 1.99813071070656 6.02076163498948 5.9499372687058 2515776.700997412 6.72615999417182 6146.08926137542 67.6690748355729 87.5836637095333 2273045.66351964 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 11:58:45 2020-Feb-23 11:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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