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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .571717759549074 1.2085e-08  
a 2.424061006042836 2.1401e-08 au
q 1.038182278657752 2.8039e-08 au
i 12.86064115535032 4.2519e-06 deg
node 250.1327450475473 3.11e-06 deg
peri 345.6873550824584 8.4457e-06 deg
M 206.3927671495468 7.8606e-06 deg
tp 2459188.697141969806
(2020-Dec-05.19714197)
3.7734e-05 TDB
period 1378.522138441773
3.77
1.8256e-05
4.998e-08
d
yr
n .2611492336328596 3.4584e-09 deg/d
Q 3.809939733427921 3.3637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      1998-08-19  
   last obs. used      2017-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28132  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-17 06:22:28  

Additional Information
 Earth MOID = .0340189 au 
 Jupiter MOID = 1.24606 au 
 T_jup = 3.238 
[ 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 17.2   n/a MPO427557  
rotation period rot_per 4.749 h n/a LCDB (Rev. 2019-January); 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 Bull. 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 01:14 00:01 Jupiter 1.24389078836241 1.24389064960284 1.24389092712225 4.41505798648504 4.25803298825906 2417081.551058810 1.48463638657954 145.65829704787 5.47327457132879 -87.3775872971105 6389567.25048444 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1911-Apr-09 07:21 < 00:01 Earth 0.381583869246821 0.381577311053554 0.381590427466399 16.5213906994056 16.5209680489876 2419135.806452314 0.502148937927817 363.206886711909 8.83784701940895 25.8008594742073 2437858.62627059 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1917-Feb-25 15:47 < 00:01 Jupiter 1.73864895678471 1.73864707280815 1.73865084076107 6.40880703584712 6.33233463914375 2421285.157518039 0.314913240022143 90.838958106756 22.7651625091773 1.22696894963317 1201607.17558465 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1926-Jul-09 08:58 < 00:01 Earth 0.478540944700387 0.478538444420017 0.478543444980921 21.631081212145 21.6308238067706 2424705.873909230 0.131986762680495 125.436674167375 2.38897169545551 -6.30849138289678 2979470.11738864 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1960-Apr-03 21:30 < 00:01 Earth 0.378633456015406 0.378625460557675 0.378641451519388 17.440040641887 17.4396371350454 2437028.395654804 0.613145923541654 450.040482051089 9.25492894699448 27.6434183634591 2495652.81683301 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1975-Jun-08 01:24 00:02 Earth 0.0884342164996001 0.0884249828735411 0.0884434502739427 11.2416891300011 11.23900865209 2442571.558426870 1.83280589677998 494.599596086658 2.61418361324186 21.4267484616486 1787327.59747331 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1977-Apr-05 05:07 00:01 Jupiter 1.69739144474368 1.69738815874336 1.69739473074341 5.14967289759464 5.05184149154465 2443238.712973724 1.34922768485778 155.492537040775 26.6713464282145 -4.84954783685367 742951.437563145 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1988-Oct-01 08:07 00:01 Jupiter 1.23223601939224 1.23223581612809 1.2322362226585 4.42258852920759 4.26433067644711 2447435.838535421 1.07173458504928 98.1565246909024 5.1876854909312 -83.7641018625714 7485653.50082101 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
1994-Jun-28 00:01 < 00:01 Earth 0.347600078690303 0.347595519910953 0.34760463746987 17.1886624786554 17.1882165185178 2449531.500664311 0.329806589221168 227.714367506242 2.08976404730176 -3.3601503411005 1308129.99491198 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387221744309 1.6338708775202 1.63387355736588 6.09964957100039 6.01405824225808 2451644.071302695 0.255044206971828 64.7796232122136 24.8518103824144 -1.12307832135967 1764314.51578397 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2013-May-31 20:59 < 00:01 Earth 0.0391738389529921 0.0391737747857701 0.039173903120214 10.5801496306557 10.5737189577967 2456444.374552085 0.0111282377821957 3.20686821232284 1.92180468365907 -4.72092081523437 1864431.82472043 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2028-Jul-12 08:55 < 00:01 Earth 0.490264905964853 0.490261269128018 0.490268542802219 22.2168694281607 22.2166248030257 2461964.871615085 0.208549195513483 183.193607184006 2.85253801264652 -8.13127330320585 3267504.89596537 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2047-Apr-04 13:04 < 00:01 Earth 0.414662889923561 0.41465547524224 0.414670304636112 18.5654903409759 18.5651442304472 2468805.044373143 0.517032238926033 411.024332320342 9.11188154287168 25.9089507564181 2638332.39011202 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995102836559 1.99994806733099 1.99995398939996 6.0244020397439 5.95368597426124 2473632.520964261 0.753420338691674 142.888038135611 17.4456759354146 6.72163703777107 957033.742109186 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2062-Jun-30 18:42 < 00:01 Earth 0.374854981041569 0.374845573467788 0.374864388617055 18.0063465958562 18.0059518403232 2474371.279241819 0.654679059492992 470.80164157917 2.16385956226277 -4.86055750764226 1903085.56470913 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2071-Dec-16 02:36 00:02 Jupiter 1.30855589725292 1.30855453220147 1.30855726230593 4.48280701734692 4.3360082439798 2477826.608196763 1.71538798290362 106.973816050405 31.8055780531599 -56.9094295900756 2832675.8024942 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2083-Jul-02 10:40 00:02 Jupiter 1.33587992929576 1.33587793207877 1.33588192652118 5.0241546680406 4.89632702960827 2482042.944363800 1.67866135767054 206.255038223641 32.2995219683778 65.5146329621154 2977447.38028778 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2085-Apr-30 05:29 00:02 Earth 0.213969817815995 0.21395813234451 0.213981503432582 12.1807493789916 12.1797270184995 2482710.728609076 1.66796949307394 645.582100562547 7.54188771182098 25.5045897248989 1570243.90444178 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2119-May-16 17:16 00:03 Earth 0.0875808834325675 0.0875696639570647 0.0875921029309211 10.5995794669754 10.5967088634607 2495144.219150221 2.80709423732878 563.902891826178 5.5636625066115 7.20436057287938 281986.082405194 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2134-Jun-22 18:27 < 00:01 Earth 0.208054646148052 0.208053500394996 0.20805579190118 14.1634437481151 14.162539515975 2500660.268690437 0.124602440125432 57.4201670947934 2.14187019012546 -5.74677193497367 1367943.7937812 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2153-Apr-12 05:01 < 00:01 Earth 0.406649196936024 0.406634715433768 0.406663678548332 17.7358606972186 17.7354912565582 2507528.708828264 0.986054664444076 795.471859395983 8.86718324753802 24.7999817065174 2528311.17390104 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2155-Mar-11 06:41 00:02 Jupiter 1.54236249539464 1.54235856822411 1.54236642256393 4.94424166773735 4.83189211224518 2508226.778628421 2.15221315208436 183.273216573696 27.9762798891628 -3.71874291579903 544342.144117433 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2166-Sep-11 05:04 00:05 Jupiter 1.23598717246803 1.23598538952877 1.23598895546609 4.60190450360404 4.45049707793143 2512428.711175338 4.49319211578864 447.735666472059 13.9337612944456 80.4862102933297 5175431.99275843 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2172-May-23 15:50 00:06 Earth 0.0711653860910771 0.0711480648567542 0.0711827115250073 9.99523064829673 9.99148409315888 2514510.159699121 6.29171330435627 1220.52594458482 3.36665852340673 -44.9475728686552 2274659.48317646 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
2178-Mar-16 09:40 00:05 Jupiter 1.78292188129448 1.78290497628589 1.78293878633419 6.55813703816237 6.48529185143688 2516632.902803862 5.22997454420313 922.366193186857 39.5469792912832 28.111702453114 1649796.60960135 T 149 CATAB v2.0e-lin.ifort 2017-Nov-24 21:22:38 2018-Dec-18 00:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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