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109242 (2001 QT98)
Classification: Main-belt Asteroid          SPK-ID: 2109242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2889745606382031 2.7782e-08  
a 2.777329859755511 1.3014e-08 au
q 1.9747521837853 7.8946e-08 au
i 8.549511261461536 6.1591e-06 deg
node 177.800041772063 2.4537e-05 deg
peri 94.60786232430655 2.7186e-05 deg
M 136.1410336618812 1.0547e-05 deg
tp 2458757.168408522976
(2019-Sep-30.66840852)
4.8185e-05 TDB
period 1690.595162538216
4.63
1.1883e-05
3.253e-08
d
yr
n .2129427600274836 1.4967e-09 deg/d
Q 3.579907535725722 1.6775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      2000-03-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5065  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:19:03  

Additional Information
 Earth MOID = .981151 au 
 Jupiter MOID = 1.6585 au 
 T_jup = 3.257 
[ 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 15.85   n/a E2021B55  
diameter diameter 4.176 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109242 (2001 QT98)          Discovered 2001-Aug-20 by LINEAR at Socorro
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
1905-Jan-30 11:40 00:03 Jupiter 1.91496976801103 1.91496767511201 1.91497186091604 2.66834964678106 2.49708971830269 2416875.986238606 2.67157993730561 224.751450983366 18.6461243277355 -76.9478812145299 1025788.56967536 T 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
1966-May-23 19:56 00:01 Jupiter 1.75287656264821 1.75287564205577 1.75287748324296 0.251694992622943 n/a 2439269.330743807 1.32681596385167 259.249195912837 42.1997455264504 85.9487858838829 6197124.15889687 F 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
1989-Feb-19 08:55 < 00:01 Jupiter 1.65937852567748 1.65937791866664 1.65937913362129 1.15437348633614 0.558289255644532 2447576.871550311 0.690537287975602 5020.46566978124 126.309471067467 -62.8922449835435 23043218.5431106 T 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
2011-Nov-08 08:31 < 00:01 Jupiter 1.93612010699363 1.93611943960819 1.93612077437886 2.69359110063298 2.52595804479789 2455873.854961394 0.260444958997827 57.110170866994 16.7196151283988 -70.324724941607 1498271.87675127 T 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
2073-Mar-04 07:17 00:01 Jupiter 1.74014485447201 1.74014408887812 1.74014562006647 0.25052676623063 n/a 2478270.803437020 1.19851297438763 133.415535434815 35.1965832128003 -83.4013366299432 7348615.9267272 F 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
2095-Dec-02 00:36 00:02 Jupiter 1.67749746384981 1.67749674550226 1.6774981880038 1.03716238773907 0.256595766307938 2486578.525308002 1.74000876695033 35438.5497246747 948.935277722345 -30.0265829567314 10610982.6293522 T 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
2118-Aug-15 00:05 00:02 Jupiter 1.96693770175857 1.96693585604494 1.96693954747591 2.75033827120664 2.58903466088816 2494869.503487850 2.41837908069477 188.671244566434 17.4035441631434 -77.0654137039256 1064750.64460258 T 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19
2179-Dec-16 23:00 00:04 Jupiter 1.7284863144952 1.72848472117402 1.7284879078167 0.328163570435867 n/a 2517273.458083529 3.61174622168149 209.972142475217 77.9953610585022 -85.5438697011402 3305741.98392512 F 26 CATAB v2.0g-lin.ifort 2021-Jul-09 00:19:07 2021-Jul-09 00:19

Alternate Designations
 2001 QT98 = 2000 EF188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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