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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 132 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5715151975466239 1.1916e-08  
a 2.423106550682613 2.1421e-08 AU
q 1.038264331692721 2.5353e-08 AU
i 12.85529982096384 3.3485e-06 deg
node 250.1503259218766 2.1515e-06 deg
peri 345.6556292214736 9.0347e-06 deg
M 148.390147443363 2.3314e-06 deg
tp 2456432.615833576950
(2013-May-20.11583358)
7.4647e-06 JED
period 1377.708044870884
3.77
1.8269e-05
5.002e-08
d
yr
n .2613035478309474 3.4651e-09 deg/d
Q 3.807948769672506 3.3664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1769  
   data-arc span      5531 days (15.14 yr)  
   first obs. used      1998-08-19  
   last obs. used      2013-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .3438  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 10:04:24  

Additional Information
 Earth MOID = .0358143 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 (704)
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 1.24389081730909 1.24389078836534 1.24389084625908 4.41505866686118 4.25803369744719 2417081.551020832 0.391471825537286 10.8967147581635 1.94118618130603 -63.9297188914866 6365611.08015465 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1911-Apr-09 07:21 < 00:01 Earth 0.381584644039937 0.381578232079925 0.381591056004865 16.521413490803 16.5209908418262 2419135.806395563 0.160612704565485 321.518454084423 4.70541719350604 15.3876630291369 2671247.45398157 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1917-Feb-25 15:47 < 00:01 Jupiter 1.73864919171473 1.73864693578164 1.73865144764654 6.40880828766531 6.33233591647501 2421285.157509923 0.0593851485620223 29.122338979933 1.76176622688211 -17.027233513348 4683677.52529924 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1926-Jul-09 08:58 < 00:01 Earth 0.478540697399667 0.478537945279069 0.478543449520021 21.6310741141203 21.6308167085284 2424705.873891461 0.0466176551990652 135.902110353369 1.43174449897394 -6.06171057683718 4712477.28831427 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1960-Apr-03 21:30 < 00:01 Earth 0.378632720635087 0.378625243906212 0.378640197378025 17.4400171382015 17.4396136300324 2437028.395725340 0.194574596703659 382.022175572942 5.36186538785616 18.4245893788502 2814867.78822792 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1975-Jun-08 01:24 < 00:01 Earth 0.0884351538969231 0.0884261544126005 0.0884441534624932 11.241711437997 11.2390309938222 2442571.558551759 0.595510371625592 369.519238488083 1.42487343291773 22.8263762902105 2554042.9857729 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1977-Apr-05 05:07 < 00:01 Jupiter 1.69739171708485 1.69738889583826 1.69739453832806 5.14967352370947 5.05184214563322 2443238.713047529 0.575596458114261 29.9176148678092 1.48784484702028 8.53792132036275 2258031.08520915 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1988-Oct-01 08:08 < 00:01 Jupiter 1.2322360620764 1.23223547469961 1.23223664945353 4.42258875940533 4.26433092077166 2447435.838582211 0.33413786290231 5.64272665707287 1.87687342171987 -79.8793940851618 7148638.12210727 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
1994-Jun-28 00:01 < 00:01 Earth 0.347600591339947 0.347595867098031 0.347605315576402 17.1886760093085 17.1882300501796 2449531.500694661 0.115940962853703 222.099633524661 1.1621060525152 -2.29883001155382 1513339.29462593 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387219026893 1.63387111075796 1.63387326978361 6.09964971283016 6.01405838467269 2451644.071330424 0.06391127614168 12.8481580451071 1.99350186781014 -19.9616120014824 4613147.99726809 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2013-May-31 20:59 < 00:01 Earth 0.0391738535624988 0.0391738055357481 0.0391739015892504 10.5801504825208 10.5737198125789 2456444.374551558 0.00295826382968605 1.65307864132011 0.859912416465597 -6.75465159731868 2482629.65347092 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2028-Jul-12 08:55 < 00:01 Earth 0.490264474252816 0.490260865308437 0.490268083197095 22.2168570020644 22.2166123765772 2461964.871584888 0.0672433710240997 179.16840289903 1.8196909649543 -7.61415079556177 4783920.28433651 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2047-Apr-04 13:04 < 00:01 Earth 0.414663774419148 0.414656535214098 0.414671013634818 18.565515952201 18.5651698428881 2468805.044314524 0.164826899833524 370.041577691713 5.18493681810502 16.9801747123767 2997738.7869025 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995068803759 1.99994737171846 1.99995400435145 6.02440100403767 5.95368491414811 2473632.520938072 0.316732767260574 42.1198393521091 1.35853856707643 6.72127902835928 2643591.70710096 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2062-Jun-30 18:42 < 00:01 Earth 0.374854020879192 0.374845108596544 0.374862933147537 18.0063200466594 18.0059252895333 2474371.279172547 0.205949768896799 425.598649322832 1.48332462826673 -3.76825230376374 2111410.5972607 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2071-Dec-16 02:36 < 00:01 Jupiter 1.30855576261995 1.30855426591931 1.3085572593244 4.4828070218622 4.33600823328863 2477826.608165995 0.582793231106399 13.1960679471654 0.754582893051392 40.8896670345936 12703922.1039661 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2083-Jul-02 10:40 < 00:01 Jupiter 1.33588017173305 1.33587804258446 1.33588230088951 5.02415573729994 4.89632815028373 2482042.944311601 0.391800525608632 26.4501607672002 2.20399176225729 -29.2922216792103 3745234.7229676 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2085-Apr-30 05:29 < 00:01 Earth 0.213970975988327 0.213959906521571 0.213982045371675 12.1807775369413 12.1797551843468 2482710.728477918 0.525033660655525 470.588509899517 2.73237454094513 7.55348058506037 1135009.49966248 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2119-May-16 17:15 < 00:01 Earth 0.0875819767725481 0.0875708522167109 0.0875931012561452 10.5995898731002 10.5967193082449 2495144.218959012 0.927006377072549 396.584899552862 2.49780115463445 -5.41288711594133 339261.586370754 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2134-Jun-22 18:27 < 00:01 Earth 0.208054598630069 0.208053408762882 0.208055788496356 14.1634426309427 14.1625383985247 2500660.268681438 0.0417467809986838 52.2150984333848 1.32407155998663 -2.68461263719704 979508.149914687 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2153-Apr-12 05:01 < 00:01 Earth 0.40664737769001 0.406632973219267 0.4066617821711 17.7358066070101 17.7354371635701 2507528.708980486 0.330002731072811 716.722540584578 4.56753285178186 13.4012344208739 2613338.86693326 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2155-Mar-11 06:41 < 00:01 Jupiter 1.54236299052923 1.54235945686664 1.54236652418779 4.94424294582918 4.8318934565409 2508226.778746449 0.911060939422817 36.9835723539965 1.03476091174413 17.1934903064726 5416900.78122081 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2166-Sep-11 05:04 00:01 Jupiter 1.23598695834092 1.23598528485041 1.23598863186684 4.60190374121071 4.45049626292462 2512428.711358071 1.28718021266397 32.3388591150266 2.36866639845922 -49.9311313006922 4589680.67089334 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2172-May-23 15:51 00:02 Earth 0.0711629520033709 0.0711457730397682 0.0711801378017682 9.99522449500535 9.99147780938731 2514510.160295497 2.08136507719498 936.804553573077 1.72893561900891 -51.9867662085861 3236094.23070282 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
2178-Mar-16 09:41 00:01 Jupiter 1.78291950995014 1.7829032994134 1.78293572042915 6.55813042446047 6.48528506601652 2516632.903217252 1.31703885778685 227.78501520489 2.20553342612487 -11.3323594540488 2576432.55577082 T 132 CATAB v2.0c-linF95 2014-Jun-12 10:04:35 2014-Jun-12 10:04
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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