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JPL Small-Body Database Browser
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160875 (2001 OQ21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492973309950234 8.2528e-08  
a 3.413660420600468 5.335e-08 au
q 2.904010030881469 2.5713e-07 au
i 16.39449252351049 9.4486e-06 deg
node 337.4067505154169 2.0166e-05 deg
peri 58.31561611982736 3.7955e-05 deg
M 251.9222595912707 3.1914e-05 deg
tp 2459292.112219026836
(2021-Mar-18.61221903)
0.00020898 TDB
period 2303.715805938065
6.31
5.4005e-05
1.479e-07
d
yr
n .1562692755209053 3.6634e-09 deg/d
Q 3.923310810319467 6.1315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      5760 days (15.77 yr)  
   first obs. used      2001-07-21  
   last obs. used      2017-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:33:15  

Additional Information
 Earth MOID = 1.94681 au 
 Jupiter MOID = 1.74907 au 
 T_jup = 3.061 
[ 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 14.0   n/a MPO366954  
diameter diameter 8.159 km 0.436 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160875 (2001 OQ21)          Discovered 2001-Jul-21 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
1909-Nov-16 18:06 00:06 Jupiter 1.71175524639671 1.71175328330339 1.71175720950443 4.36053078999438 4.24553589093837 2418627.254388946 6.41414443285312 529.84127911916 89.2734936083102 84.461789977142 1453891.48449703 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
1937-Jul-06 07:42 00:05 Jupiter 1.90142303767295 1.9014214501759 1.90142462519551 4.62392171509485 4.52655682174314 2428720.821122596 4.90172280049383 473.273185576141 47.6888727770752 81.1263120534221 1361318.53960847 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
1950-Nov-01 04:28 00:04 Jupiter 1.84764014812829 1.84763891601368 1.84764138024458 5.95785894286055 5.88040930642885 2433586.686040390 3.58222775991416 395.398892144591 57.5475997746759 87.7078421495286 1813398.12959213 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
1991-Apr-13 22:22 00:02 Jupiter 1.88806918658992 1.88806791524662 1.8880704579505 4.83934878543694 4.74574124163338 2448360.431636106 1.61111852099712 398.243267617767 38.62091411438 -82.9862274513056 1828367.79667268 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2004-Jul-18 13:58 < 00:01 Jupiter 1.71435062617309 1.7143495213486 1.71435173100605 4.47054348726746 4.35862404357293 2453205.081665120 0.757257639893833 388.515649858119 42.2652054168004 -85.5120707789526 1541125.78626433 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2018-Jan-21 01:58 00:01 Jupiter 1.96899612973773 1.96899468857378 1.96899757098786 2.47642053877878 2.29614871642378 2458139.581842891 1.21025716252447 1307.66396836228 66.1236170944593 -89.310054320352 1222190.81878601 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2032-Mar-04 21:55 00:02 Jupiter 1.90211289693674 1.90211163644687 1.9021141574279 4.30276099508946 4.19799237003769 2463296.412899666 1.9474169900234 180.950314423759 50.2045058995873 78.2973534533272 1178640.51350915 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2045-Jul-06 04:08 00:02 Jupiter 1.82649349707564 1.826492198842 1.82649479531261 5.82974695373424 5.74964909390855 2468167.672414239 2.41766848413298 373.669489132365 57.792866662203 86.3493891308642 1590137.77001566 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2085-Dec-07 17:39 00:05 Jupiter 1.95400587815629 1.95400334781691 1.95400840858219 4.91211740597348 4.8230630683413 2482932.235316511 4.70110663565635 703.070841148413 36.6172751167044 -80.1440590649058 1897876.00866428 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2099-Mar-19 17:57 00:05 Jupiter 1.72225238394743 1.72225131587271 1.72225345206954 4.58098172249277 4.47233403466472 2487782.247877850 5.2092038174826 769.785958804587 40.2158944210698 -87.9305437955971 1436738.36735163 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2112-Aug-24 10:55 00:09 Jupiter 1.93375794877818 1.93375552187007 1.93376037708383 2.88146660697604 2.72521779338295 2492687.954783837 8.89913788732029 3758.32210166984 96.3248919838472 -86.6839250271851 1201459.96257832 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2126-Oct-26 20:16 00:09 Jupiter 1.91391791713373 1.91391482458705 1.91392100974981 3.92693124897013 3.81256738650014 2497864.344365701 9.1148418455018 641.358159664714 47.2796984533629 72.6864292446573 931324.052462857 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2140-Mar-10 04:16 00:08 Jupiter 1.79246091928364 1.7924590878125 1.79246275076873 5.6625995535728 5.57852481952821 2502747.677693277 8.29775459459234 518.561441001297 76.0923747028318 -85.4781753626249 1384220.80259633 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
2193-Nov-19 01:42 00:11 Jupiter 1.747099783513 1.74709825554774 1.74710131186379 4.70216410972002 4.59790328764959 2522359.571060576 10.9606854533786 1564.97759182944 39.3637035198543 -88.0020366049526 1507222.98381312 T 18 CATAB v2.0e-lin.ifort 2018-Oct-04 06:33:22 2018-Dec-17 19:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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