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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .288974560644475 2.7782e-08  
a 2.77732985974147 1.3014e-08 au
q 1.974752183757898 7.8946e-08 au
i 8.549511261506 6.1591e-06 deg
node 177.8000417719918 2.4537e-05 deg
peri 94.6078623219218 2.7186e-05 deg
M 136.1410336659756 1.0547e-05 deg
tp 2458757.168408508596
(2019-Sep-30.66840851)
4.8185e-05 TDB
period 1690.595162525396
4.63
1.1883e-05
3.253e-08
d
yr
n .2129427600290984 1.4967e-09 deg/d
Q 3.579907535725043 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-Aug-25 18:34:52  

Additional Information
 Earth MOID = .981151 au 
 Jupiter MOID = 1.6585 au 
 T_jup = 3.257 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457854.5 (2017-Apr-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2888166367854853 2.7767e-08  
q 1.975458814870818 7.8847e-08 au
tp 2457066.958141910747
(2015-Feb-13.45814191)
4.6983e-05 TDB
node 177.8418854501301 2.4534e-05 deg
peri 94.64426961448119 2.7197e-05 deg
i 8.549616337556976 6.1606e-06 deg
  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-Aug-25 18:34:52  

Additional Information
 Jupiter MOID = 1.6585 au 
 T_jup = 3.257 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.710169497802435E-16 -2.174377589331795E-15 -5.4986559034154E-13 5.524299785164118E-15 -1.469653264605564E-13 -1.779191286227272E-15
q -2.174377589331795E-15 6.216864028885759E-15 1.520649793363807E-12 -1.12736218069026E-14 4.145757832560784E-13 7.910868028284016E-15
tp -5.4986559034154E-13 1.520649793363807E-12 2.207409960949268E-9 -1.87429135260473E-11 5.641377252564315E-10 1.76321743570829E-12
node 5.524299785164118E-15 -1.12736218069026E-14 -1.87429135260473E-11 6.019008593815337E-10 -5.985744766329263E-10 7.380699218105992E-11
peri -1.469653264605564E-13 4.145757832560784E-13 5.641377252564315E-10 -5.985744766329263E-10 7.396799850313061E-10 -7.195709338557848E-11
i -1.779191286227272E-15 7.910868028284016E-15 1.76321743570829E-12 7.380699218105992E-11 -7.195709338557848E-11 3.795254294970873E-11

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 1.91496976969483 1.91496767679559 1.91497186259995 2.66834972597559 2.49708980308444 2416875.986232554 2.67158016564988 224.75149702347 18.646122766686 -76.9478814781154 1025788.67565586 T 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
1966-May-23 19:56 00:01 Jupiter 1.75287656218882 1.75287564159635 1.75287748278361 0.251694972942959 n/a 2439269.330739085 1.32681603536673 259.249632584497 42.1997422063898 85.9487901354056 6197124.67508763 F 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
1989-Feb-19 08:55 < 00:01 Jupiter 1.65937852568224 1.6593779186715 1.65937913362605 1.15437350799844 0.558289300438252 2447576.871548439 0.690537287050833 5020.4644023678 126.30943321457 -62.892244596437 23043193.8697668 T 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
2011-Nov-08 08:31 < 00:01 Jupiter 1.93612010696858 1.93611943958314 1.9361207743538 2.69359102970082 2.52595796915614 2455873.854965587 0.26044496543524 57.1101690759708 16.7196165985987 -70.324724667364 1498271.91617384 T 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
2073-Mar-04 07:17 00:01 Jupiter 1.7401448542311 1.74014408863721 1.74014561982555 0.250526749603285 n/a 2478270.803434973 1.19851297345697 133.415482386151 35.1965806301483 -83.4013312241459 7348616.39258099 F 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
2095-Dec-02 00:36 00:02 Jupiter 1.67749746414041 1.67749674579286 1.6774981882944 1.03716236247515 0.256595664531803 2486578.525309631 1.7400087690895 35438.5843430041 948.9358984256 -30.0265616270171 10610979.7597755 T 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
2118-Aug-15 00:05 00:02 Jupiter 1.96693770213259 1.96693585641894 1.96693954784991 2.75033830115895 2.58903469273821 2494869.503485946 2.41837907113181 188.671250845803 17.4035437675682 -77.0654135742211 1064750.67618358 T 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34
2179-Dec-16 23:00 00:04 Jupiter 1.72848631527332 1.7284847219522 1.72848790859476 0.328163521794112 n/a 2517273.458080304 3.61174602346822 209.972215051549 77.9953395174365 -85.5438434389027 3305742.79495469 F 27 CATAB v2.0g-lin.ifort 2021-Aug-25 18:34:54 2021-Aug-25 18:34

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