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JPL Small-Body Database Browser
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109444 (2001 QG201)
Classification: Main-belt Asteroid          SPK-ID: 2109444
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09995673281232098 4.5518e-08  
a 3.117386073449488 3.1541e-08 au
q 2.805782346632848 1.4045e-07 au
i 4.182987865119101 5.1786e-06 deg
node 251.9103232114708 7.4136e-05 deg
peri 2.749374136380932 7.9007e-05 deg
M 161.4906505073304 2.7069e-05 deg
tp 2457698.660617941710
(2016-Nov-06.16061794)
0.00015161 TDB
period 2010.408506752825
5.50
3.0511e-05
8.353e-08
d
yr
n .1790680843175825 2.7176e-09 deg/d
Q 3.428989800266129 3.4694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8615 days (23.59 yr)  
   first obs. used      1995-06-03  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:59  

Additional Information
 Earth MOID = 1.79078 au 
 Jupiter MOID = 1.61464 au 
 T_jup = 3.205 
[ 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 15.1   n/a MPO333679  
diameter diameter 5.364 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109444 (2001 QG201)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
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-Jul-27 21:23 00:03 Jupiter 1.62812766003919 1.62812687977341 1.62812844030746 2.28420125164175 2.04379273577033 2434586.390897380 2.9133384624009 152.383410535136 26.3763682720706 86.6068834562413 2232770.38951317 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
1963-Aug-16 06:22 00:02 Jupiter 1.78950792852679 1.7895069300115 1.789508927044 2.66105101799416 2.47680003482131 2438257.765044265 2.46783693756204 126.740769399637 11.1608977994511 -78.3567471670367 2224313.9891028 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2025-Apr-12 00:50 < 00:01 Jupiter 1.69929583477746 1.6992953952612 1.69929627429362 2.42280672414123 2.20750592529294 2460777.534602133 0.608602431739174 78.4621306802552 17.2952393483117 -85.9048813772284 2463148.07362374 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2035-May-08 23:35 00:01 Jupiter 1.69692983412357 1.69692909001994 1.69693057822724 2.38399475109131 2.16451633998688 2464456.482807473 1.13584995730502 65.8936372356429 17.0787331284387 -77.3460462036158 1954154.74771897 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2096-Dec-26 10:53 00:04 Jupiter 1.80419384420108 1.80419205115457 1.80419563724687 2.58749977035995 2.39920957850231 2486968.953231121 3.97415238240276 80.2465985588445 65.4008097724108 65.8752037899811 1248691.49384427 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2107-Jan-28 11:18 00:05 Jupiter 1.63482261343811 1.63482153810769 1.63482368877587 2.28362356038956 2.0441895638214 2490652.970914554 4.60107561087661 218.049412395453 21.6202568764367 -81.8416832669154 1925165.47713201 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2117-Feb-19 23:28 00:05 Jupiter 1.99238004417579 1.99237755320921 1.99238253514983 3.61409118877191 3.49448037990319 2494328.477840882 4.8992822027254 236.951087014371 19.8113355971001 -65.648436030639 2290362.86314133 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2168-Sep-08 14:41 00:07 Jupiter 1.92463641088044 1.92463269414537 1.92464012761714 2.80173943313224 2.63999132766225 2513157.111590755 7.32189793235902 215.894258602712 49.8957119656525 -49.9063654660967 1205589.12986124 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2178-Oct-15 07:57 00:08 Jupiter 1.61724147814736 1.61724102124209 1.61724193505328 2.27753812060497 2.0346226735068 2516845.831038154 7.97503157467321 390.756921348635 23.9543199377948 89.5659539467914 2034467.0337217 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
2188-Nov-06 04:49 00:09 Jupiter 1.87006291690188 1.87005887574647 1.87006695808525 3.06720025720144 2.91579173850207 2520520.700486190 8.55857368773244 426.954011812078 15.0421300686281 -70.6904669124138 2235458.83436 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:43:03 2019-Jul-13 06:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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