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414287 (2008 OB9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2414287
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 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7586891344904529 3.3357e-08  
a 3.206448789437245 3.3712e-08 au
q .773750932591141 1.0707e-07 au
i 13.49513233134238 1.4654e-05 deg
node 202.6964802817414 2.7179e-05 deg
peri 238.5888753823871 2.67e-05 deg
M 22.22902728440196 6.7977e-06 deg
tp 2459071.005045543978
(2020-Aug-09.50504554)
3.7637e-05 TDB
period 2097.176048583996
5.74
3.3074e-05
9.055e-08
d
yr
n .1716594084903222 2.7072e-09 deg/d
Q 5.63914664628335 5.9289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      4644 days (12.71 yr)  
   first obs. used      2008-07-29  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 06:19:15  

Additional Information
 Earth MOID = .0102945 au 
 Jupiter MOID = .818161 au 
 T_jup = 2.617 
[ 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 17.7   n/a MPO339286  
diameter diameter 1.974 km 0.948 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 42.5 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]
geometric albedo albedo 0.038   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

414287 (2008 OB9)          Discovered 2008-Jul-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-11-10

[ 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-Jan-14 16:51 00:05 Earth 0.239482442187402 0.239477967501487 0.239486917726676 13.3357169352288 13.3348826090022 2421973.202401483 4.76537728341586 756.49514809623 36.8882201016918 73.0693642760978 861296.849062269 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1960-Jul-01 16:32 < 00:01 Jupiter 1.93628679076243 1.93628536611162 1.93628821541798 11.7985064625542 11.7613715651976 2437117.188567968 0.773451554611765 261.941814243281 56.8507364959352 -80.5665533200767 3687077.47013817 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1961-Oct-01 15:30 < 00:01 Earth 0.373999343834754 0.373987900808301 0.374010786861207 26.3463851566068 26.3461147466313 2437574.145666019 0.929771919670471 570.617942542273 15.1706996071128 -0.240776671388784 93654.1273096903 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1967-Oct-13 06:31 00:01 Earth 0.178165156904648 0.178152202146058 0.178178111665962 20.9738142936488 20.9731012443679 2439776.771201102 1.22359164525303 646.934922343572 15.2153926723995 3.09571063183983 97830.0368452342 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1972-Jun-12 23:37 < 00:01 Jupiter 1.62458988622878 1.62458768483862 1.6245920876195 10.5862592785684 10.5368939019592 2441481.484077770 0.7137517777166 263.571551500454 107.226071009371 -84.9298464598197 1730770.33822522 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1973-Oct-10 04:19 00:01 Earth 0.175111462942255 0.175098949367712 0.175123976517077 21.5607915898169 21.5600858572049 2441965.679773655 1.16582825565498 624.099334897213 15.6790089709797 1.0611558274115 49561.3767756883 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1979-Sep-23 15:14 < 00:01 Earth 0.470240098089319 0.470229715460289 0.47025048071859 29.9144306304452 29.9142412158976 2444140.134649250 0.817978785271452 518.014087990299 16.4776419764859 -1.87559835232997 184527.024277061 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1984-Apr-24 08:04 < 00:01 Jupiter 1.58491964164471 1.58491696714664 1.58492231614305 10.4129868059038 10.3615366576868 2445814.836110217 0.529367516791201 205.822718612738 129.819534377589 79.4338048792102 1396141.50541311 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
1996-Feb-11 09:49 < 00:01 Jupiter 1.76640830048086 1.76640548696484 1.76641111399748 11.1928202811762 11.1498965100127 2450124.908735591 0.39196463977297 177.074382625209 124.065509684112 59.0573154732607 1478588.14906248 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2014-Oct-01 01:30 < 00:01 Earth 0.202521217705787 0.20252064198853 0.202521793423078 24.2105716287067 24.2100282011499 2456931.562458388 0.0613402399487452 29.156608010731 16.1422136471411 -12.1060146496085 1061839.92946154 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2032-Mar-05 07:05 < 00:01 Earth 0.362547764554903 0.36254342309827 0.362552106033195 27.2444849707288 27.2442152150023 2463296.795057336 0.386551848900823 258.364729122519 28.8852369492346 33.3144528011439 996391.048066924 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2054-Oct-09 11:19 < 00:01 Earth 0.0484875955130074 0.0484792078533675 0.048495983354234 20.3403441807562 20.3376423866136 2471549.971297757 0.936809902000593 443.705128418205 16.2439695667502 -19.513320076855 147352.686479091 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2066-Mar-17 07:17 00:01 Venus 0.144361198708444 0.144352327138627 0.144370070624341 18.9355990204484 18.934804603451 2475726.803791421 1.0180610754613 565.928993562829 22.544252541862 38.6207282222303 554726.959082251 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2071-Nov-26 21:44 00:05 Earth 0.254258458560279 0.25425010435843 0.254266812889299 15.4709693913764 15.4702920167449 2477807.405554901 5.12559461745361 504.119593924438 19.6519060732117 34.3028350207979 970153.28210502 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2090-Jun-01 21:49 00:02 Jupiter 1.75249966412195 1.75248651119763 1.75251281707276 12.8040030256208 12.7661994535957 2484569.408861618 1.98018706608165 742.460751204893 135.105392491915 -28.7971722688889 684942.650659277 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2094-Oct-01 05:54 00:04 Earth 0.230830492843119 0.230785230153092 0.230875755544707 24.7005479073741 24.7000805848653 2486151.745540034 3.71894806541405 2258.53784559419 17.1233695258802 -2.08316898589132 71288.9874525918 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2102-Feb-16 15:15 00:02 Jupiter 1.25147573679462 1.25146498508748 1.25148648856123 10.9107119908431 10.8485021187239 2488846.135624185 1.63064418759774 699.054483827195 145.289180644126 -41.3761391886926 659869.521601204 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2113-Dec-09 20:07 00:01 Jupiter 1.09122139660111 1.09121566141824 1.09122713181381 10.2292335113239 10.1530679134684 2493160.338361403 1.0496340452991 437.638664997604 143.515935636058 -53.659809599498 733556.051978667 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2125-Nov-03 21:20 < 00:01 Jupiter 1.24400922116351 1.24400755576077 1.24401088658527 10.8467597813723 10.7838043065952 2497507.388822751 0.90222466669478 268.654907029415 25.2684900534788 -72.9799360664395 5036982.92469302 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2137-Nov-08 20:54 00:02 Jupiter 1.79589211290739 1.79588400169121 1.79590022414071 12.8308814857992 12.7940701437627 2501895.370499107 1.63133679427596 496.902802786078 112.885092590559 -36.8521943364071 1091886.81367992 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2154-Nov-13 14:53 00:12 Earth 0.131474214543252 0.131444849459839 0.131503582367678 12.1975972667622 12.1959356645431 2508109.119824945 11.8360481091828 1743.83365008588 26.797685977354 -32.8816198455986 448370.982133323 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
2185-Oct-24 15:55 00:07 Earth 0.149452326107673 0.149399484741576 0.149505179422193 17.55685685523 17.5558413656541 2519412.163414363 7.14897456161961 3374.30457213418 29.6562339509214 38.6536127999921 442731.071184204 T 91 CATAB v2.0g-lin.ifort 2021-May-03 06:19:17 2021-May-03 06:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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