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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 134 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5715151973938772 1.1824e-08  
a 2.423106550558558 2.1387e-08 AU
q 1.038264332009687 2.5167e-08 AU
i 12.85529980438685 3.3423e-06 deg
node 250.1503259227647 2.1512e-06 deg
peri 345.655629359467 8.9277e-06 deg
M 148.3901474247287 2.3232e-06 deg
tp 2456432.615833691874
(2013-May-20.11583369)
7.3716e-06 JED
period 1377.708044765083
3.77
1.824e-05
4.994e-08
d
yr
n .2613035478510142 3.4595e-09 deg/d
Q 3.80794876910743 3.361e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1771  
   data-arc span      5914 days (16.19 yr)  
   first obs. used      1998-08-19  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .34377  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 18:28:03  

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 1.24389081770518 1.24389078942289 1.24389084599368 4.41505867818399 4.25803370923848 2417081.551021181 0.391243722802417 10.8443006840827 1.93295885292516 -63.8378664627275 6387880.61180975 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1911-Apr-09 07:21 < 00:01 Earth 0.381584655117941 0.381578250628755 0.38159105961205 16.5214138338204 16.5209911848646 2419135.806394775 0.160483731313548 321.133476787065 4.69141766135062 15.3847685557073 2678714.73851253 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1917-Feb-25 15:47 < 00:01 Jupiter 1.73864920206636 1.73864696423814 1.73865143989333 6.408808517649 6.33233614969416 2421285.157521806 0.0593408026894878 28.9436464365192 1.75420214375468 -16.9926864542948 4695254.1115242 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1926-Jul-09 08:58 < 00:01 Earth 0.478540685175643 0.478537945144849 0.478543425206192 21.6310737406555 21.6308163350526 2424705.873890574 0.0464499678027545 135.295612052801 1.43122771521564 -6.06291645883952 4715294.6969904 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1960-Apr-03 21:30 < 00:01 Earth 0.378632717674271 0.378625243774949 0.37864019158765 17.4400170170109 17.4396135088359 2437028.395726145 0.194446857839757 381.883694136366 5.34189022290059 18.4263673188964 2825639.46699324 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1975-Jun-08 01:24 < 00:01 Earth 0.0884351650864345 0.0884261751674655 0.0884441550864811 11.2417116770382 11.2390312332596 2442571.558553357 0.594885271852853 369.133628774385 1.42005543636806 22.8271961180349 2562795.51320529 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1977-Apr-05 05:07 < 00:01 Jupiter 1.69739171412186 1.69738889293336 1.69739453530698 5.1496734796939 5.05184210059285 2443238.713051344 0.574901591982334 29.9175102231261 1.47204483980763 8.53696988274438 2279554.53900296 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1988-Oct-01 08:08 < 00:01 Jupiter 1.23223606208 1.23223547593807 1.23223664822228 4.42258875271426 4.26433091383274 2447435.838581236 0.333275351857842 5.63363631090049 1.86683835589987 -79.756400179843 7184500.79680469 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
1994-Jun-28 00:01 < 00:01 Earth 0.347600600817743 0.347595887957669 0.347605313672385 17.1886762561711 17.1882302970608 2449531.500695506 0.115614255233415 221.575351943997 1.16141346429214 -2.29951405776541 1514731.26896795 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387219512986 1.63387112209946 1.63387326815354 6.09964967499121 6.01405834655167 2451644.071327585 0.0636599564413778 12.8144674207171 1.97830786869311 -19.881617023016 4630094.17972347 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2013-May-31 20:59 < 00:01 Earth 0.0391738536581733 0.0391738057023652 0.0391739016139978 10.5801504740479 10.5737198041165 2456444.374552090 0.00294623626349044 1.65183628428198 0.859711390986237 -6.77002126306321 2484635.44220831 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2028-Jul-12 08:55 < 00:01 Earth 0.490264464164155 0.490260860434138 0.49026806789407 22.2168566084086 22.216611982912 2461964.871583053 0.0671771982813955 178.902805408008 1.81758788815468 -7.6155101187343 4790310.15946638 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2047-Apr-04 13:04 < 00:01 Earth 0.414663799369342 0.414656568370542 0.41467103037873 18.5655166293604 18.5651705200809 2468805.044313762 0.164703446797079 369.612824475709 5.16668750493752 16.9771435170835 3007792.16977961 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995067026531 1.99994736975826 1.99995397076718 6.02440102970813 5.95368493949133 2473632.520931768 0.316592891077307 41.9756659583473 1.35015396518975 6.70448106245447 2653218.44698122 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2062-Jun-30 18:42 < 00:01 Earth 0.374853987786417 0.374845080771774 0.374862894786903 18.0063191323893 18.0059243752082 2474371.279170451 0.205839256717638 425.339812547504 1.47723268466606 -3.76887728045539 2120447.68297071 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2071-Dec-16 02:36 < 00:01 Jupiter 1.30855575403962 1.30855426353534 1.30855724454769 4.48280700457232 4.33600821443452 2477826.608165255 0.582583032496619 13.1420157500664 0.751472146536894 40.8635764235914 12749800.7712697 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2083-Jul-02 10:40 < 00:01 Jupiter 1.33588018462309 1.33587806278057 1.33588230647044 5.02415564560056 4.89632805743989 2482042.944295968 0.391655590394144 26.3847815168821 2.1863068237796 -29.2499968078437 3770208.47224036 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2085-Apr-30 05:29 < 00:01 Earth 0.213971030148024 0.213959967378011 0.213982092834727 12.1807788571101 12.1797565048852 2482710.728471650 0.524738657099471 470.300004549976 2.71996128787919 7.55241723804088 1140021.55896553 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2119-May-16 17:15 < 00:01 Earth 0.0875820477623804 0.0875709393634799 0.087593156089232 10.5995905003772 10.5967199380189 2495144.218946199 0.925680059771016 396.011926186629 2.48159794778739 -5.41506560604904 341606.795491732 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2134-Jun-22 18:27 < 00:01 Earth 0.208054582950349 0.208053396026967 0.208055769873009 14.1634422337098 14.1625380011983 2500660.268680260 0.0416747291170795 52.0756526073373 1.32065951362975 -2.69226546877048 984230.038457552 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2153-Apr-12 05:01 < 00:01 Earth 0.406647304664124 0.406632922164955 0.406661687173662 17.7358045641342 17.7354351205854 2507528.708985413 0.329419422096762 715.63829904019 4.5470471986455 13.4030464475436 2625454.88687432 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2155-Mar-11 06:41 < 00:01 Jupiter 1.54236300389521 1.54235947016281 1.54236653762791 4.94424288357318 4.83189339382227 2508226.778760456 0.909626143953211 36.974339915429 1.02307533038023 17.1987871312169 5479915.03814294 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2166-Sep-11 05:04 00:01 Jupiter 1.23598694995861 1.23598527718055 1.23598862277205 4.601903693107 4.45049621214012 2512428.711362779 1.28508757019198 32.3182856074969 2.34837418707549 -49.9505217512019 4630513.86028621 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2172-May-23 15:51 00:02 Earth 0.0711628601077607 0.0711457062457232 0.0711800207846625 9.99522423388373 9.99147754332861 2514510.160318042 2.07830809679737 935.435930329875 1.72870584555044 -51.9869199123283 3236526.93383114 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
2178-Mar-16 09:41 00:01 Jupiter 1.78291942891588 1.78290323129488 1.78293562648096 6.55813032661451 6.48528496374208 2516632.903240813 1.31516413975079 227.559497361389 2.18344921920836 -11.3358254625511 2603229.03548885 T 134 CATAB v2.0c-linF95 2014-Nov-10 18:28:07 2014-Nov-10 18:28
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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