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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2892679570597788 3.317e-08  
a 2.776948759645269 1.5308e-08 au
q 1.973666465082996 9.6792e-08 au
i 8.550244871048324 6.5278e-06 deg
node 177.8055925456569 2.6658e-05 deg
peri 94.57575196804112 3.0265e-05 deg
M 51.80578151029263 1.0929e-05 deg
tp 2458757.265062930987
(2019-Sep-30.76506293)
5.1205e-05 TDB
period 1690.247203923516
4.63
1.3976e-05
3.826e-08
d
yr
n .212986596968978 1.7612e-09 deg/d
Q 3.580231054207543 1.9736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7060 days (19.33 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:22:07  

Additional Information
 Earth MOID = .980208 au 
 Jupiter MOID = 1.66001 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 15.8   n/a MPO474961  
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 1.91497002220477 1.91496787750354 1.91497216691265 2.668350784881 2.49709095699194 2416875.986079152 2.88552138450901 239.829250172023 22.3178432860557 -77.997337173054 972445.120084324 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
1966-May-23 19:56 00:01 Jupiter 1.75287650051446 1.75287556549772 1.75287743553378 0.251694734561672 n/a 2439269.330733426 1.40570929566322 273.3489504972 42.8612889995804 86.1017784460803 6102549.53145492 F 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
1989-Feb-19 08:55 < 00:01 Jupiter 1.65937856810536 1.65937792837618 1.65937920868186 1.15437340663198 0.558289109166906 2447576.871559478 0.712931175725203 5104.32978418261 145.817106481282 -62.8607375061446 21073706.7709811 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
2011-Nov-08 08:31 < 00:01 Jupiter 1.93612019780486 1.93611937287929 1.93612102273021 2.69359132923538 2.52595829573802 2455873.854950663 0.31137343654397 65.6557417629361 20.3757690698331 -70.5019710087353 1306679.89782479 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
2073-Mar-04 07:17 00:01 Jupiter 1.74014477209873 1.74014379520127 1.74014574899689 0.250526517372673 n/a 2478270.803338473 1.42877050884172 157.81604104556 45.2919072096376 -83.1863433658212 5708826.32699166 F 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
2095-Dec-02 00:37 00:02 Jupiter 1.67749741920473 1.67749659053687 1.67749825502104 1.03716144045619 0.256591874111929 2486578.525464550 2.01570815109005 38841.0659757133 1026.80539982495 -30.2056686566548 10072353.5982451 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
2118-Aug-15 00:06 00:03 Jupiter 1.96693726598087 1.96693494137647 1.96693959059041 2.75033562810494 2.58903181534498 2494869.503899802 2.81211500496594 222.83935322564 20.6697226666526 -75.8208171481079 975994.358639717 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22
2179-Dec-16 23:01 00:04 Jupiter 1.72848687564674 1.72848496328112 1.72848878801236 0.328167160865028 n/a 2517273.459012012 4.11302121937814 252.138855871018 95.3600535405847 -89.8526974604471 2710836.60554199 F 21 CATAB v2.0f-lin.ifort 2020-Feb-24 03:22:27 2020-Feb-24 03:22

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