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85867 (1999 BY9)
Classification: Amor [NEO]          SPK-ID: 2085867
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 155 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3023714852082618 5.2912e-08  
a 1.829753698338639 5.2755e-09 au
q 1.276488355006675 9.3635e-08 au
i .9440571807471385 3.1231e-06 deg
node 254.3909637166036 0.00019566 deg
peri 287.4296313951075 0.00019598 deg
M 187.1429268360841 1.1396e-05 deg
tp 2459434.582254233785
(2021-Aug-08.08225423)
3.0262e-05 TDB
period 904.0394394273712
2.48
3.9098e-06
1.07e-08
d
yr
n .3982127153966071 1.7222e-09 deg/d
Q 2.383019041670603 6.8707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      9158 days (25.07 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-16 08:07:53  

Additional Information
 Earth MOID = .279811 au 
 Jupiter MOID = 2.57835 au 
 T_jup = 3.974 
[ 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 18.1   n/a MPO474744  
rotation period rot_per 700. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

85867 (1999 BY9)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1900-Feb-26 16:07 < 00:01 Earth 0.351176829676036 0.351173760533683 0.351179898817271 0.747230751270958 0.737006934817278 2415077.171524450 0.93333124988353 152.998969211312 9.25168168431545 -38.0930027237613 301568.426611873 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1905-Mar-25 18:56 < 00:01 Earth 0.280497692427597 0.280497524387746 0.280497860472008 0.268450242026495 0.230363421594822 2416930.289148507 0.858772745816222 203.805824063735 70.4794722728341 54.8193542580803 229778.500411418 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1910-Apr-22 02:37 < 00:01 Earth 0.365988469169537 0.365985620460124 0.365991317878555 0.856986717575467 0.848449043250703 2418783.609171020 0.905260228627414 142.466998720088 25.4798608098354 -28.5307916379002 129192.859329316 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1947-Feb-01 07:15 < 00:01 Earth 0.495140738371927 0.495138578331829 0.495142898412249 3.30879408527252 3.30716733559856 2432217.802178435 0.498431255830506 109.06270934376 12.4279664493854 -10.0490005542044 341569.411035518 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1952-Feb-27 09:59 < 00:01 Earth 0.355150383502502 0.355148466379792 0.355152300624647 0.807867515009243 0.798526847934938 2434069.915762126 0.567409808911573 94.5831004473419 9.69015275573975 -34.3966725814372 281793.015624279 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1957-Mar-26 00:22 < 00:01 Earth 0.280315781602606 0.280315550237351 0.280316012971414 0.264679670658035 0.225930902561531 2435923.514977403 0.482873405794348 155.017926596909 53.7518952731044 23.6143609270315 193542.959311765 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
1962-Apr-22 02:01 < 00:01 Earth 0.363290412848583 0.363288985479693 0.363291840217659 0.825970595303969 0.817042736195631 2437776.584101771 0.490593045347954 75.0881049359892 25.7992712824547 -36.6165603517168 159903.24486798 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2004-Feb-26 22:17 < 00:01 Earth 0.360586134689769 0.360585836345295 0.360586433034161 0.889224865363164 0.880875848233471 2453062.428618926 0.0615708384181398 12.925313521915 10.8085799248484 -31.9059959411638 369777.406826128 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2007-Jan-04 01:23 < 00:01 Mars 0.0842182995332694 0.0842175419674809 0.0842190570991059 7.62905052705581 7.62860493041255 2454104.557792669 0.0511472571838792 37.9251396003551 12.3825969980208 5.35613466990717 355673.926750514 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2009-Mar-25 11:04 < 00:01 Earth 0.281271722277251 0.281271438810388 0.28127200575593 0.245268111107423 0.203003696982459 2454915.961010566 0.0285967571763993 184.95061375387 78.2505805174932 -19.5789077979155 161173.214251311 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2014-Apr-21 05:38 < 00:01 Earth 0.355416868425181 0.35541650173715 0.355417235114202 0.736231063979979 0.725977020951411 2456768.734758101 0.0444562357598392 51.9840922712683 9.4366902178843 -78.530916363658 307711.492576763 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2051-Feb-02 23:37 < 00:01 Earth 0.49355408152814 0.493552433729765 0.493555729326738 3.28051438265591 3.27886832655032 2470205.484280793 0.384935558881871 83.8750043536494 12.3700093299747 -12.4308139380832 451169.245149976 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2054-Jan-22 12:48 < 00:01 Mars 0.03657027199895 0.0365681988616727 0.0365723451623909 9.42644650306439 9.42561598492697 2471290.033534553 0.32549181253788 114.46291142878 12.4528329927156 -25.5861994273589 191701.489531477 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2056-Feb-29 12:47 < 00:01 Earth 0.352931858398207 0.352930493081036 0.352933223716099 0.74679157747686 0.736612887009781 2472058.032479167 0.472658889461677 74.8315617692032 8.8901016720455 -43.9184510985175 369097.369192702 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2061-Mar-27 01:27 < 00:01 Earth 0.28137955349957 0.281379223068547 0.281379883957111 0.26513057298486 0.22661759844008 2473910.560233323 0.409892470768521 158.373812216358 92.1926762252246 -66.9269393673468 195682.29891623 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2066-Apr-22 12:52 < 00:01 Earth 0.358463923515807 0.358462263485436 0.358465583550662 0.793617362878943 0.784195399021438 2475763.035806025 0.430474741527592 108.647731568145 21.5012631020909 -51.5443407884932 179900.205212408 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2071-May-18 02:47 < 00:01 Earth 0.497736254298114 0.497734533961918 0.49773797463431 2.97048564353443 2.9686829685911 2477614.615883074 0.35212606559747 85.8296882220002 11.5846471025328 -5.19378684472001 278562.518652657 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2075-Sep-29 08:54 < 00:01 Mars 0.0676349515032872 0.0676330003287903 0.0676369027550337 8.26165526832744 8.26114290103104 2479209.870601340 0.392205661067424 150.76255185881 13.8766257458381 -50.0947557075783 571264.272011678 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2108-Feb-25 13:48 < 00:01 Earth 0.37984165473196 0.379839994439481 0.379843315025712 1.19285940376823 1.18696425205821 2491046.075199283 0.518350313372935 90.1023327050011 10.1620838202004 -29.8186111923889 413843.384154797 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2113-Mar-23 08:45 < 00:01 Earth 0.284724723553673 0.284724501113484 0.284724945998508 0.214503427775885 0.16521362621726 2492898.864918311 0.459034903386283 324.610445314874 103.525041528296 5.49655870250469 125528.963869285 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2118-Apr-17 22:32 < 00:01 Earth 0.329366545191633 0.329364884831407 0.329368206007317 0.454067872511202 0.43588784780339 2494750.438672322 0.481563931539669 643.375936177639 7.54402254183256 -87.6437294731361 182162.132342062 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2123-May-14 17:46 < 00:01 Earth 0.467770226281257 0.467768272371801 0.467772180190714 2.47276966322734 2.47046504737282 2496603.239964631 0.424192722339327 97.395763049582 11.094404073506 -6.20712515419996 233560.031284212 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2155-Aug-09 12:14 < 00:01 Mars 0.0797095523603009 0.0797070276113594 0.0797120771129987 7.68738476839467 7.68691753874371 2508378.009714865 0.5314597431293 128.852761641138 12.6656729109953 12.346593752507 231080.144819455 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2160-Feb-19 15:57 < 00:01 Earth 0.413386567415054 0.413384770696373 0.41338836413477 1.78858572107882 1.78497840321605 2510033.164280256 0.511331715538736 95.4507766847205 10.5358247549165 -22.8341911880882 453834.9145184 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2165-Mar-18 01:46 < 00:01 Earth 0.295813291870536 0.295812612952988 0.295813970828954 0.115362072284554 n/a 2511886.573902490 0.460802286035812 178.451035663152 4.87166788802153 -79.174615312818 8920905.70202544 F 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2170-Apr-13 02:53 < 00:01 Earth 0.309310568059532 0.309309238588594 0.30931190321429 0.315564047232512 0.286970665545049 2513738.620102204 0.440057612568487 2213.96570762966 57.7179292750444 89.6542899170079 159836.325672585 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2175-May-09 23:04 < 00:01 Earth 0.436683450152782 0.436681680773508 0.436685219532008 1.96392694297466 1.96081763155637 2515591.460842288 0.399545079572784 87.9644564042043 11.1024631586398 -7.88879275840128 220581.104851317 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
2177-Apr-17 12:12 < 00:01 Mars 0.0781757031539701 0.0781734388635547 0.0781779674948225 9.75926584792139 9.7588905936956 2516300.008017430 0.297968261631783 150.653024962511 13.4786236949768 41.6590042972518 567413.094978468 T 155 CATAB v2.0f-lin.ifort 2020-Oct-16 08:08:02 2020-Oct-16 08:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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