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109261 (2001 QB108)
Classification: Main-belt Asteroid          SPK-ID: 2109261
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 .1134099176656139 4.1676e-08  
a 3.168271360987142 3.1136e-08 au
q 2.808957966795267 1.3188e-07 au
i 5.105006107493016 6.425e-06 deg
node 37.75055719696778 6.2073e-05 deg
peri 227.4254762796408 7.0911e-05 deg
M 188.5320861335084 3.7392e-05 deg
tp 2459981.597903497050
(2023-Feb-06.09790350)
0.00021964 TDB
period 2059.832870737222
5.64
3.0364e-05
8.313e-08
d
yr
n .1747714608861226 2.5763e-09 deg/d
Q 3.527584755179016 3.4667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6720 days (18.40 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:47:33  

Additional Information
 Earth MOID = 1.7966 au 
 Jupiter MOID = 1.55597 au 
 T_jup = 3.187 
[ 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 14.6   n/a MPO502755  

109261 (2001 QB108)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
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
1919-May-25 00:25 00:04 Jupiter 1.82479038834113 1.82478817277076 1.82479260391047 2.30258356096564 2.09130116815831 2422103.517562032 4.33335676944233 120.196235955243 15.797241624075 -69.5146258065001 1007184.81912957 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
1930-Jan-14 15:47 00:04 Jupiter 1.59270406882669 1.59270313857581 1.59270499908111 1.8782360562736 1.56975872008626 2425991.157861558 3.71299720116171 155.993562528338 38.4181363124257 -68.9535566747698 2001689.23710431 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
1940-Sep-12 11:06 00:03 Jupiter 1.62145692648299 1.62145586794314 1.62145798502799 2.41692239789055 2.19014763565016 2429884.962372728 3.12587445736325 186.402566830642 19.2344754952491 -86.1475847117921 1583227.40116748 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
1951-May-08 01:24 00:03 Jupiter 1.89465945587024 1.89465791759067 1.89466099415176 3.56006232622076 3.43218996068063 2433774.558590376 2.59831283630165 138.300869938849 31.507043843516 -66.4259120163184 1937444.7903771 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2026-Aug-25 10:52 < 00:01 Jupiter 1.91942295426299 1.91942231004018 1.91942359848569 2.62571231075155 2.4518941174903 2461277.952854291 0.62799857324913 66.4758286313629 15.4225869887797 -81.5326243175715 2178521.55203504 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2037-Apr-18 04:46 00:01 Jupiter 1.65603621855088 1.65603569236322 1.6560367447391 1.85728088563641 1.55773573122177 2465166.698395962 1.18465040074662 94.6975612296972 24.7600555535706 -75.9721277779453 2327369.67451588 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2047-Dec-11 14:50 00:02 Jupiter 1.59514052207407 1.59513987059495 1.59514117355373 2.17503441527791 1.91540363197177 2469056.117875621 1.76734116239382 96.7715912145274 26.0942068567818 -85.5541281907385 1540313.09525621 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2058-Aug-04 11:56 00:02 Jupiter 1.80569339230256 1.80569214072984 1.80569464387744 3.21788317975252 3.06864847342599 2472944.997390032 2.32096405279481 141.163254378554 26.3334878844756 -73.7718234189069 1968608.80670977 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2144-Jul-13 06:55 00:06 Jupiter 1.72585875475775 1.72585668134595 1.72586082817093 1.95745715488995 1.68821564810993 2504333.788318688 6.03519202042555 171.532509283351 17.9655421492947 -85.5838537643997 1369832.49483685 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2155-Mar-06 13:01 00:07 Jupiter 1.59816306033125 1.59816251933965 1.59816360132294 1.96412920666284 1.67266506772464 2508222.042575562 6.58335405817496 131.874818130901 66.7884216514732 -42.7909397241092 937343.048201975 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
2165-Oct-27 01:45 00:07 Jupiter 1.73405391579998 1.73405110262873 1.73405672899784 2.89119841596415 2.71700215998132 2512109.572765084 7.17021768858406 389.180387910066 20.2318040724369 -78.0280514859343 1849480.25935913 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 15:47:51 2020-Jan-29 15:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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