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285263 (1998 QE2)
Classification: Amor [NEO, PHA]          SPK-ID: 2285263
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5717303815133805 1.1058e-08  
a 2.422857510877525 2.1016e-08 au
q 1.037636261830958 2.3672e-08 au
i 12.85852271414575 3.2817e-06 deg
node 250.1482692347004 2.1484e-06 deg
peri 345.6476460306238 8.0983e-06 deg
M 252.9594418819686 3.3354e-06 deg
tp 2457810.077510359667
(2017-Feb-25.57751036)
1.758e-05 JED
period 1377.495655122543
3.77
1.7923e-05
4.907e-08
d
yr
n .261343837028636 3.4004e-09 deg/d
Q 3.808078759924092 3.3032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      1998-08-19  
   last obs. used      2016-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .34526  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-02 06:20:51  

Additional Information
 Earth MOID = .0327146 au 
 Jupiter MOID = 1.24314 au 
 T_jup = 3.239 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3 mag n/a MPO268323  
rotation period rot_per 4.749 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Hill, K. (2014) Minor Planet Bul. 41, 2-3.]

285263 (1998 QE2)          Discovered 1998-Aug-19 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1905-Aug-24 01:13 < 00:01 Jupiter 1.24389082051826 1.24389079787039 1.24389084317198 4.41505873035479 4.25803376369486 2417081.551010932 0.388823199168776 10.4219557041887 1.86412158727007 -63.1108363505735 6583554.39756234 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1911-Apr-09 07:21 < 00:01 Earth 0.381584789594736 0.381578454778873 0.381591124415353 16.5214180121631 16.5209953634632 2419135.806384004 0.159221486047877 317.558865190316 4.56511844251075 15.3613024558286 2748615.38056246 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1917-Feb-25 15:47 < 00:01 Jupiter 1.73864929591075 1.73864720132813 1.73865139049233 6.40880866262421 6.33233630057271 2421285.157508170 0.0588223611247518 27.5146711655389 1.69130195408548 -16.7155993454504 4798094.55733185 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1926-Jul-09 08:58 < 00:01 Earth 0.478540591063634 0.47853795071924 0.478543231407786 21.6310710137386 21.6308136080527 2424705.873885941 0.0450114821722395 130.298448552892 1.42321669663775 -6.07303883291346 4751191.51958525 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1960-Apr-03 21:30 < 00:01 Earth 0.378632615326826 0.378625173340566 0.378640057327074 17.4400138698428 17.4396103614859 2437028.395735968 0.193164408346841 380.303669294308 5.17086561136292 18.4414670352551 2921259.22077351 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1975-Jun-08 01:24 < 00:01 Earth 0.0884353346765801 0.0884264333766567 0.0884442360560223 11.2417153763099 11.2390349385544 2442571.558576108 0.589106288270375 365.554012024838 1.37130770231144 22.834473120695 2654700.8460013 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1977-Apr-05 05:07 < 00:01 Jupiter 1.69739171300956 1.69738889207385 1.69739453394429 5.14967345602424 5.05184207640009 2443238.713062552 0.568505510550307 29.8984103545264 1.34885570141875 8.54353328939295 2469408.82518278 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1988-Oct-01 08:08 < 00:01 Jupiter 1.23223606302547 1.23223548810297 1.23223663794837 4.42258871621972 4.2643308761075 2447435.838587568 0.326064010044766 5.5745957060467 1.78359035960626 -78.9138992581818 7500226.35788865 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
1994-Jun-28 00:01 < 00:01 Earth 0.347600720630965 0.34759610349036 0.347605337766369 17.1886792918275 17.1882333329497 2449531.500704200 0.112931697175013 217.159719536525 1.15640909615601 -2.30411475874442 1524700.08386293 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387222920101 1.63387120046167 1.63387325793428 6.09964970928401 6.01405838313006 2451644.071330644 0.061739819661967 12.5895833260014 1.85399130920299 -19.3150438107915 4792479.91901311 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2013-May-31 20:59 < 00:01 Earth 0.0391738543122294 0.0391738072871686 0.0391739013373293 10.5801503030715 10.5737196331435 2456444.374551685 0.00287503112142114 1.63052892544375 0.857707064669296 -6.83081115091382 2516590.60475379 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2028-Jul-12 08:55 < 00:01 Earth 0.490264387812319 0.490260830970532 0.490267944654019 22.2168544314859 22.2166098059273 2461964.871580511 0.0665333933436496 176.521126571952 1.79513400055062 -7.62632996423655 4857069.8148035 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2047-Apr-04 13:04 < 00:01 Earth 0.414663938458375 0.41465678445127 0.414671092475781 18.5655209155967 18.5651748065132 2468805.044302941 0.163475224393747 365.604536713795 5.00803065137353 16.9525557820107 3098598.40637239 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995055876216 1.99994738601108 1.99995373150869 6.02440064887234 5.95368455016605 2473632.520930356 0.315061514632992 40.7832036738724 1.28223015979608 6.56945667054498 2736223.29823416 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2062-Jun-30 18:42 < 00:01 Earth 0.374853846955935 0.374844995248192 0.374862698649674 18.0063150810505 18.0059203236323 2474371.279161691 0.204641560182468 422.63817468601 1.42721447148427 -3.77419719607542 2197684.67014087 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2071-Dec-16 02:36 < 00:01 Jupiter 1.30855570637548 1.30855426606235 1.30855714669219 4.48280689243631 4.3360080930644 2477826.608162860 0.580096328652076 12.6995864649987 0.724030438514579 40.6521993324654 13176354.0597214 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2083-Jul-02 10:40 < 00:01 Jupiter 1.33588024829334 1.33587818756397 1.33588230902568 5.02415599369075 4.89632842078962 2482042.944304936 0.389911386483829 25.8257132211438 2.04881452860078 -28.9173626595051 3978570.39179629 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2085-Apr-30 05:29 < 00:01 Earth 0.213971206529247 0.213960214464308 0.213982198511913 12.1807832212947 12.1797608702788 2482710.728450336 0.521591214143828 467.262432182664 2.60977791359992 7.54306544364933 1186614.48273839 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2119-May-16 17:15 < 00:01 Earth 0.0875822865541488 0.0875713246843123 0.0875932483538416 10.5995925402175 10.5967219862393 2495144.218902595 0.913644567855318 390.813095298188 2.33554644252947 -5.43398776220063 364166.094877316 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2134-Jun-22 18:27 < 00:01 Earth 0.208054549803248 0.208053387370797 0.208055712234844 14.1634412219106 14.1625369891905 2500660.268678115 0.0410307959563722 50.9213855773298 1.28757219328977 -2.75862705043535 1028220.14936535 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2153-Apr-12 05:01 < 00:01 Earth 0.406646990646915 0.40663280609297 0.406661175211035 17.7357953395236 17.7354258954973 2507528.709012082 0.324234201499801 705.859125078475 4.37339651837635 13.4177431290588 2732589.07832339 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2155-Mar-11 06:41 < 00:01 Jupiter 1.54236303583849 1.54235950555516 1.54236656612182 4.94424301663975 4.83189353233674 2508226.778771518 0.896644571555764 36.8497194833592 0.93186054572483 17.2469378374419 6028691.94772365 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2166-Sep-11 05:04 00:01 Jupiter 1.2359869236906 1.23598525904752 1.23598858836869 4.60190354181382 4.45049605242735 2512428.711392104 1.26641355816605 32.104957197158 2.19260121202629 -50.1104523572878 4969996.14519295 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2172-May-23 15:51 00:02 Earth 0.0711624906438227 0.0711455635885441 0.0711794243348653 9.99522310022135 9.99147638978527 2514510.160407630 2.05064914587914 923.045226446182 1.71868031277988 -51.9869766298708 3255391.93201966 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
2178-Mar-16 09:41 00:01 Jupiter 1.78291914329509 1.78290307449453 1.78293521203985 6.55812942701455 6.48528404230219 2516632.903298142 1.29817624940163 225.395879408624 2.01465804560036 -11.3639221673338 2827866.00687283 T 139 CATAB v2.0c-linF95 2016-Feb-02 06:21:14 2016-Feb-02 06:21
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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