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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491563573282781 5.6834e-08  
a 3.4067485758814 2.7083e-08 au
q 2.898610367969631 1.9603e-07 au
i 16.41842743908546 7.898e-06 deg
node 337.32786498273 1.4101e-05 deg
peri 59.16296257162951 3.5532e-05 deg
M 345.0997824715595 2.7516e-05 deg
tp 2459295.560185928269
(2021-Mar-22.06018593)
0.00017526 TDB
period 2296.722639710254
6.29
2.7388e-05
7.498e-08
d
yr
n .1567450913643696 1.8691e-09 deg/d
Q 3.914886783793169 3.1122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2001-07-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:10  

Additional Information
 Earth MOID = 1.94213 au 
 Jupiter MOID = 1.76696 au 
 T_jup = 3.062 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457899.5 (2017-May-26.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499259021334101 6.1359e-08  
q 2.902332979988882 2.1527e-07 au
tp 2456977.326290751076
(2014-Nov-15.82629075)
0.00017572 TDB
node 338.0687412447622 1.3922e-05 deg
peri 56.41951749793464 3.4689e-05 deg
i 16.46467705997967 7.909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2001-07-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:10  

Additional Information
 Jupiter MOID = 1.76696 au 
 T_jup = 3.062 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.764956461213609E-15 -1.314535833087369E-14 -7.569575780066159E-12 3.232766069693189E-14 -1.393913204820089E-12 -2.177725011965265E-15
q -1.314535833087369E-14 4.634215400420405E-14 2.545706250513422E-11 -1.046729688629086E-13 4.728390321326753E-12 1.85949261931562E-14
tp -7.569575780066159E-12 2.545706250513422E-11 3.087587221016379E-8 -9.477016656965854E-11 5.586738104033213E-9 2.012431091069182E-11
node 3.232766069693189E-14 -1.046729688629086E-13 -9.477016656965854E-11 1.938359385252462E-10 -2.023891593536337E-10 4.09791378645763E-11
peri -1.393913204820089E-12 4.728390321326753E-12 5.586738104033213E-9 -2.023891593536337E-10 1.203303388463231E-9 -3.674734933980971E-11
i -2.177725011965265E-15 1.85949261931562E-14 2.012431091069182E-11 4.09791378645763E-11 -3.674734933980971E-11 6.255296446512791E-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 14.09   n/a MPCxxxxx  
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 18:05 00:03 Jupiter 1.71175502914075 1.71175386828513 1.71175618999686 4.36053267217454 4.24553780995044 2418627.253703658 3.2483424876643 389.598883175345 58.1647373191135 -88.9629547603978 1707754.04942655 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
1937-Jul-06 07:42 00:03 Jupiter 1.90142318979474 1.90142191755531 1.90142446203892 4.6239200990732 4.52655517937837 2428720.820695870 2.67697840797863 253.14285240956 45.9945700518008 79.5044270829524 1569775.85423874 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
1950-Nov-01 04:27 00:02 Jupiter 1.84764001492775 1.84763890445444 1.84764112540578 5.95785920697519 5.88040956883247 2433586.685699904 2.00069847839526 289.748498904878 45.0506919166233 84.1140948135119 1987686.346331 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
1991-Apr-13 22:21 < 00:01 Jupiter 1.88806954496918 1.88806853109637 1.88807055884745 4.83934963765017 4.74574212912145 2448360.431431900 0.935661216539257 254.277646217683 34.4252414692509 -82.3619091754216 2087291.02611971 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2004-Jul-18 13:57 < 00:01 Jupiter 1.71435061362682 1.71434965437482 1.71435157289344 4.47054467483894 4.35862526143514 2453205.081496561 0.569777327371649 363.163257513133 28.6479733491829 -84.4307515445896 1777057.60676 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2018-Jan-21 01:58 00:01 Jupiter 1.9689960681727 1.96899507382682 1.96899706263128 2.47642250369653 2.29615083078521 2458139.581612613 1.05123838281918 1256.28703122524 42.4883037378376 -88.8761341037389 1951637.54764162 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2032-Mar-04 21:55 < 00:01 Jupiter 1.90211289181225 1.90211193903628 1.90211384458833 4.30276138873371 4.19799277380627 2463296.412962984 0.914497200328615 147.365340934792 39.585102206214 84.9917719708111 1450704.00123008 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2045-Jul-06 04:08 00:01 Jupiter 1.82649348543521 1.826492374546 1.82649459632848 5.82974755682711 5.74964970533459 2468167.672503740 1.05895106880194 272.997519356251 44.9296928237678 83.8339213125788 1862595.83623879 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2085-Dec-07 17:39 00:02 Jupiter 1.95400601777087 1.95400437429353 1.95400766126954 4.91211841975648 4.82306410776128 2482932.235502779 2.31302405788547 366.081129257268 30.4193923462478 -78.2404771443276 2315178.30467613 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2099-Mar-19 17:57 00:03 Jupiter 1.72225244244572 1.72225143842502 1.72225344649315 4.58098255282013 4.47233488950611 2487782.248017459 2.53952591759528 504.393342802979 33.6295072360328 -86.2300687249958 1763086.23566258 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2112-Aug-24 10:55 00:04 Jupiter 1.93375801535775 1.93375652014657 1.9337595108267 2.88146694821187 2.72521816060514 2492687.954934299 4.37990577595006 2232.10289670167 68.4950820492112 -87.3126930971533 1359658.95316134 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2126-Oct-26 20:16 00:04 Jupiter 1.91391784836003 1.91391635728197 1.91391933945299 3.92693264557156 3.81256882146491 2497864.344669228 4.30508301078518 346.651272994349 37.5805136451102 76.5360467069547 1143550.12759897 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2140-Mar-10 04:16 00:04 Jupiter 1.79246091902444 1.79245961471036 1.79246222333851 5.66260028334897 5.57852556075864 2502747.677895756 3.91860444788101 312.763996929848 61.8979556223703 89.9880556148046 1559818.1400971 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
2193-Nov-19 01:42 00:05 Jupiter 1.74709990338487 1.74709870979432 1.74710109707214 4.70216527870921 4.59790449096359 2522359.571007339 5.36424865025417 852.560402356129 35.7989147028902 -87.1887250383899 1823678.05720562 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:12 2021-Apr-13 20:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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