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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134099235684503 4.1385e-08  
a 3.168271366853838 3.0798e-08 au
q 2.808957953294835 1.3137e-07 au
i 5.105004951554875 6.2269e-06 deg
node 37.7505627601547 6.146e-05 deg
peri 227.4254646667966 7.0199e-05 deg
M 188.5320907478895 3.7195e-05 deg
tp 2459981.597879819731
(2023-Feb-06.09787982)
0.00021874 TDB
period 2059.832876458519
5.64
3.0034e-05
8.223e-08
d
yr
n .1747714604006854 2.5483e-09 deg/d
Q 3.527584780412842 3.429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:07  

Additional Information
 Earth MOID = 1.7966 au 
 Jupiter MOID = 1.55597 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168693736020299 4.1417e-08  
q 2.79669312276945 1.322e-07 au
tp 2457917.447151002611
(2017-Jun-12.94715100)
0.00020062 TDB
node 37.93051790266465 6.1637e-05 deg
peri 226.7122994154038 6.9828e-05 deg
i 5.100226809215259 6.2152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:07  

Additional Information
 Jupiter MOID = 1.55597 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.715339200929459E-15 -5.359374206047783E-15 -5.787491065707795E-13 -4.195329149283667E-15 -8.706338170604787E-14 1.536571102260453E-16
q -5.359374206047783E-15 1.747814273984531E-14 3.734127973398097E-12 2.155753659139032E-14 5.261867775957402E-13 -5.81207189090347E-16
tp -5.787491065707795E-13 3.734127973398097E-12 4.02466260640792E-8 9.962659414730621E-12 6.613979129750672E-9 1.329464085244646E-12
node -4.195329149283667E-15 2.155753659139032E-14 9.962659414730621E-12 3.79917221691143E-9 -3.782435769457719E-9 -1.357450891037608E-10
peri -8.706338170604787E-14 5.261867775957402E-13 6.613979129750672E-9 -3.782435769457719E-9 4.875884232981986E-9 1.353012825738724E-10
i 1.536571102260453E-16 -5.81207189090347E-16 1.329464085244646E-12 -1.357450891037608E-10 1.353012825738724E-10 3.862873922719557E-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 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 1.82479024221282 1.82478804968751 1.82479243473708 2.30258312730234 2.0913006729083 2422103.517351871 4.27404206779674 117.910238318959 15.5502185698817 -69.367949222628 1022147.22100396 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
1930-Jan-14 15:47 00:04 Jupiter 1.592703981634 1.59270307082442 1.59270489244684 1.87823595893483 1.56975858507227 2425991.157675065 3.66207285575943 154.018601304979 37.8751348050863 -68.710226427825 2024773.99582291 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
1940-Sep-12 11:06 00:03 Jupiter 1.62145693710782 1.62145587894172 1.62145799527909 2.41692235871396 2.19014759398001 2429884.962226918 3.08453334715173 185.515440546294 18.6322595589562 -86.1395447885241 1612863.79269225 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
1951-May-08 01:24 00:03 Jupiter 1.89465950920093 1.894657976458 1.89466104194568 3.56006244878825 3.43219009148099 2433774.558465003 2.56396450904624 136.870167879074 31.4013994306483 -66.2626126167542 1955547.7485826 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2026-Aug-25 10:52 < 00:01 Jupiter 1.91942298074152 1.91942234758341 1.91942361389951 2.62571249245112 2.45189431455364 2461277.952898785 0.611564269476325 64.5020671302035 15.2679882010186 -81.6916852792421 2204663.96011773 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2037-Apr-18 04:46 00:01 Jupiter 1.65603621352394 1.65603569300818 1.65603673404016 1.85728083052467 1.5577356645156 2465166.698469861 1.16037934242555 93.1389147058511 24.6720793283081 -75.9486760342282 2331288.85305541 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2047-Dec-11 14:50 00:02 Jupiter 1.59514045425084 1.59513982109862 1.5951410874036 2.17503395467147 1.91540309714331 2469056.117979554 1.7339649372198 95.6674552824909 25.3612857364527 -85.2368375120302 1578217.73238346 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2058-Aug-04 11:56 00:02 Jupiter 1.80569326782682 1.80569205290745 1.80569448274833 3.21788246596089 3.06864771438351 2472944.997522968 2.27965623104941 138.612401571582 26.0171501678928 -74.0788411424432 2003658.0207688 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2144-Jul-13 06:56 00:06 Jupiter 1.72585889023847 1.72585685061862 1.72586092985959 1.95745751783443 1.68821609175878 2504333.788633128 5.93679609823655 168.136456745753 17.7894308147422 -85.6633515079995 1387778.67049266 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2155-Mar-06 13:02 00:06 Jupiter 1.59816301311983 1.59816248166925 1.59816354457068 1.96412856575772 1.67266430578056 2508222.042921050 6.47709032665645 130.684281804505 65.3669647490944 -43.6245203071672 966216.768939056 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
2165-Oct-27 01:45 00:07 Jupiter 1.73405366624383 1.73405091694437 1.73405641556902 2.89119705949755 2.71700069067389 2512109.573146353 7.05505932823466 382.375536402778 19.9297634152884 -78.0991895892665 1876664.3280902 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:13:08 2020-Nov-12 19:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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