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JPL Small-Body Database Browser
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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 150 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5717177589499584 1.1998e-08  
a 2.424061001434591 2.1337e-08 au
q 1.038182278136415 2.7873e-08 au
i 12.86064341138105 4.2495e-06 deg
node 250.1327455007078 3.1099e-06 deg
peri 345.6873559448661 8.3656e-06 deg
M 206.3927685535438 7.8462e-06 deg
tp 2459188.697134916299
(2020-Dec-05.19713492)
3.7659e-05 TDB
period 1378.522134510827
3.77
1.8201e-05
4.983e-08
d
yr
n .2611492343775438 3.4481e-09 deg/d
Q 3.809939724732767 3.3536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1841  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:15:25  

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 1.24389080253895 1.2438906643601 1.24389094071787 4.41505851537266 4.25803353847326 2417081.551041777 0.583366977847817 62.9836184081413 5.68398014900671 -86.231493249234 6913374.41304635 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1911-Apr-09 07:21 < 00:01 Earth 0.381584316946549 0.381577769478682 0.381590864433395 16.5214043678622 16.5209817182897 2419135.806418179 0.802437952023336 353.023817795586 9.09280306245639 22.36618739311 1975712.33434106 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1917-Feb-25 15:47 < 00:01 Jupiter 1.73864914587672 1.7386472790637 1.73865101268964 6.40880818382543 6.33233580935281 2421285.157523884 0.243674720448816 90.6885321730661 19.8967367862004 -1.78123291281126 1336731.57270335 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1926-Jul-09 08:58 < 00:01 Earth 0.478540701659039 0.47853820968998 0.478543193628289 21.6310747328462 21.630817327264 2424705.873894981 0.202615614979823 125.150189454489 2.43497587443553 -6.82906423659824 3109112.48817533 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1960-Apr-03 21:30 < 00:01 Earth 0.378633042756429 0.378625065848561 0.378641019700131 17.4400277304244 17.4396242228437 2437028.395694269 0.942384624226985 438.160095409434 9.50049743945076 24.8021872295416 2116306.63664357 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1975-Jun-08 01:24 00:02 Earth 0.0884347855696871 0.0884255765984501 0.0884439946877006 11.2417031563652 11.23902269905 2442571.558505369 1.81439353642327 493.118939906461 2.60656931238759 21.3824189764791 1769412.08140874 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1977-Apr-05 05:07 < 00:01 Jupiter 1.69739156587238 1.69738828577144 1.69739484597293 5.14967329826525 5.05184190702345 2443238.713018064 0.812581574437643 158.688888179067 20.9215198909829 0.730922325586093 898957.248370225 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1988-Oct-01 08:08 < 00:01 Jupiter 1.23223603695528 1.2322358340314 1.23223623987944 4.42258876307889 4.26433092129535 2447435.838559457 0.417480984818642 41.3668147260149 6.30606892233319 -77.445091199527 7489205.79813455 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
1994-Jun-28 00:01 < 00:01 Earth 0.347600397093657 0.347595855099298 0.347604939088155 17.1886712724824 17.1882253129814 2449531.500684974 0.442296989738204 226.738415609136 2.12026752402936 -2.7117473578989 1014565.234886 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387223380956 1.63387089994675 1.63387356767238 6.09964979847828 6.01405847383688 2451644.071318383 0.178740053913741 64.9493565048204 19.4513742840147 -4.18362756174334 1906636.25204434 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2013-May-31 20:59 < 00:01 Earth 0.0391738340654658 0.0391737700028991 0.0391738981280325 10.5801504185353 10.5737197453529 2456444.374552149 0.0109243100688672 3.20159908381723 1.91941650511533 -4.70808965610235 1867882.16197547 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2028-Jul-12 08:55 < 00:01 Earth 0.490264642798598 0.490261016504293 0.490268269093516 22.2168621797052 22.2166175543591 2461964.871598201 0.32150603279423 182.866048867078 2.91091845213182 -8.56698532154113 3333386.75396315 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2047-Apr-04 13:04 < 00:01 Earth 0.414663409126778 0.414656014960806 0.414670803314695 18.5655056919107 18.5651595821015 2468805.044338642 0.822984141621246 398.24649365544 9.48716924916852 22.2128251638824 2112398.66742713 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995076552929 1.99994782313165 1.99995370792682 6.02440143655971 5.95368535456382 2473632.520943386 0.650926280639059 144.251890930962 17.3217432884068 6.6454035687528 1456425.32394581 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2062-Jun-30 18:42 < 00:01 Earth 0.374854379855022 0.374844995577177 0.374863764134166 18.0063303369648 18.0059355804423 2474371.279200245 0.910278177108183 469.25015965708 2.13844971650772 -4.27531355005341 1655629.89263294 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2071-Dec-16 02:36 < 00:01 Jupiter 1.30855578503819 1.30855442761801 1.30855714245837 4.48280707633724 4.33600829216551 2477826.608182549 0.701522208066393 68.1395013806958 23.819049946738 -17.3117331189867 2229196.79808103 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2083-Jul-02 10:40 < 00:01 Jupiter 1.33588010772625 1.33587812147392 1.33588209398017 5.02415559980243 4.89632800299197 2482042.944336316 0.817749394899338 125.627844857306 26.0280697846137 42.8744251342173 2969109.86246585 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2085-Apr-30 05:29 00:02 Earth 0.213970604528407 0.213958952614649 0.213982256601898 12.1807689698538 12.1797466147652 2482710.728518637 2.04092000062637 650.089694396706 7.50690312521066 26.6578461815928 1587999.69448655 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2119-May-16 17:15 00:03 Earth 0.0875817170771657 0.0875705456997162 0.0875928884960059 10.5995876893414 10.5967171153817 2495144.219003696 2.90393052101978 565.107674981929 5.47388486942804 9.68742511047671 380536.666787388 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2134-Jun-22 18:27 < 00:01 Earth 0.208054576644952 0.20805344330484 0.208055709985099 14.1634424549065 14.1625382223818 2500660.268683515 0.141871676276559 56.6989973854081 2.18561387857546 -4.65200243037237 1104119.5924381 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2153-Apr-12 05:01 00:02 Earth 0.406648100314634 0.406633668954908 0.406662531743498 17.7358287439268 17.7354593016045 2507528.708918191 1.60471121987453 766.680355762209 9.67824660930743 20.1819317343581 1816435.78287056 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2155-Mar-11 06:41 00:01 Jupiter 1.54236272921729 1.5423588109706 1.54236664746337 4.94424243880711 4.83189291847383 2508226.778697555 1.09119017287246 189.949197469727 16.6963861472932 8.69977381746464 1288220.72392889 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2166-Sep-11 05:04 00:02 Jupiter 1.23598706112101 1.23598528355916 1.23598883869045 4.60190427007961 4.45049682259048 2512428.711272138 1.82046788115543 180.627928337768 13.6716037711769 63.5706680754753 5263309.81105247 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2172-May-23 15:50 00:06 Earth 0.0711641011002829 0.071146846100765 0.0711813595583591 9.99522801659394 9.99148139280604 2514510.160012039 6.00985570875166 1163.08075337907 3.33809345955682 -42.2812110052322 2207727.28967473 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
2178-Mar-16 09:40 00:04 Jupiter 1.78292071920921 1.78290386976091 1.78293756867616 6.55813434846391 6.48528908378046 2516632.903044839 4.19682282401648 888.733380701993 33.7976369643949 21.7618637555934 1720302.3677889 T 150 CATAB v2.0f-lin.ifort 2019-Dec-21 06:15:53 2019-Dec-21 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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