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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 133 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5715151973964344 1.1824e-08  
a 2.42310655056323 2.1387e-08 AU
q 1.038264332005492 2.5167e-08 AU
i 12.85529980446381 3.3423e-06 deg
node 250.1503259228158 2.1512e-06 deg
peri 345.655629360264 8.9277e-06 deg
M 148.3901474237558 2.3232e-06 deg
tp 2456432.615833693955
(2013-May-20.11583369)
7.3716e-06 JED
period 1377.708044769067
3.77
1.824e-05
4.994e-08
d
yr
n .2613035478502586 3.4595e-09 deg/d
Q 3.807948769120968 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-Oct-29 06:20:06  

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 1.24389081759347 1.24389078931121 1.24389084588194 4.41505869150768 4.25803372303915 2417081.551025122 0.391243712880099 10.8443010552992 1.93295882068439 -63.8378661279751 6387880.71684554 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1911-Apr-09 07:21 < 00:01 Earth 0.381584645769877 0.381578241280606 0.38159105026407 16.5214136063567 16.5209909573848 2419135.806394906 0.16048373952943 321.133480593139 4.69141762318297 15.3847687889723 2678714.72249712 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1917-Feb-25 15:47 < 00:01 Jupiter 1.7386491998052 1.73864696197685 1.7386514376323 6.40880853488248 6.3323361670357 2421285.157523792 0.0593408037543085 28.9436480352213 1.75420206591422 -16.9926864552734 4695254.30855088 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1926-Jul-09 08:58 < 00:01 Earth 0.478540692348755 0.478537952317696 0.478543432379627 21.6310739749647 21.6308165693685 2424705.873891425 0.0464499738397481 135.295628292313 1.43122775808526 -6.06291649985837 4715294.66453734 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1960-Apr-03 21:30 < 00:01 Earth 0.378632713492079 0.37862523959274 0.378640187405475 17.4400168521894 17.4396133440061 2437028.395726960 0.194446858734673 381.88369427539 5.34189018638707 18.4263672690051 2825639.43992996 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1975-Jun-08 01:24 < 00:01 Earth 0.0884351668398868 0.088426176920841 0.08844415684001 11.241711709069 11.2390312653511 2442571.558553444 0.594885267540567 369.133630697614 1.42005542594445 22.8271953663093 2562795.50652003 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1977-Apr-05 05:07 < 00:01 Jupiter 1.69739171466769 1.69738889347919 1.69739453585281 5.14967347025788 5.05184209100586 2443238.713052281 0.574901596793038 29.9175101787514 1.47204484088672 8.53696987808929 2279554.53322865 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1988-Oct-01 08:08 < 00:01 Jupiter 1.2322360621998 1.23223547605788 1.23223664834207 4.42258874708961 4.26433090801503 2447435.838579635 0.333275355428841 5.63363629973401 1.86683834628671 -79.756400741772 7184500.83663348 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
1994-Jun-28 00:01 < 00:01 Earth 0.347600600579013 0.347595887718933 0.34760531343366 17.1886762351592 17.188230276048 2449531.500695340 0.115614255086349 221.575352138771 1.1614134609326 -2.29951401709438 1514731.24523852 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2000-Apr-09 13:43 < 00:01 Jupiter 1.63387219525162 1.63387112222121 1.63387326827927 6.09964960349673 6.01405827404611 2451644.071322813 0.0636599587766201 12.8144672929062 1.97830785995723 -19.8816169693416 4630094.14048825 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2013-May-31 20:59 < 00:01 Earth 0.0391738536513588 0.0391738056955508 0.0391739016071833 10.5801504665756 10.5737197966385 2456444.374551558 0.00294623626448323 1.6518362833352 0.859711390445009 -6.77002125509819 2484635.44217804 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2028-Jul-12 08:55 < 00:01 Earth 0.490264467524188 0.490260863794149 0.490268071254124 22.2168567283124 22.2166121028188 2461964.871583657 0.0671771988548621 178.902806630871 1.81758790728814 -7.61551018360184 4790310.18755049 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2047-Apr-04 13:04 < 00:01 Earth 0.414663788826751 0.414656557827974 0.414671019836117 18.5655164438657 18.5651703345739 2468805.044312821 0.164703457353931 369.61282396056 5.166687544605 16.9771440723846 3007792.15758624 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2060-Jun-22 00:30 < 00:01 Jupiter 1.99995067550828 1.99994737500118 1.9999539760102 6.0244009077081 5.95368481622872 2473632.520941542 0.316592924583535 41.9756657869537 1.35015394299805 6.7044810749142 2653218.44574103 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2062-Jun-30 18:42 < 00:01 Earth 0.374854005638557 0.37484509862387 0.374862912638957 18.0063195663843 18.0059248092316 2474371.279171110 0.205839247125661 425.339817227296 1.47723268892085 -3.76887748673286 2120447.90798783 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2071-Dec-16 02:36 < 00:01 Jupiter 1.30855575703713 1.30855426653144 1.30855724754514 4.48280705977811 4.33600827185132 2477826.608151712 0.582583006651015 13.1420169702313 0.751472077387808 40.8635734590838 12749801.3584458 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2083-Jul-02 10:40 < 00:01 Jupiter 1.33588017987752 1.33587805803323 1.33588230172479 5.02415572569616 4.89632813916652 2482042.944306995 0.391655544751651 26.3847821303899 2.1863068276325 -29.2499971318818 3770208.54782842 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2085-Apr-30 05:29 < 00:01 Earth 0.213971001069763 0.213959938299845 0.213982063756369 12.1807781057067 12.1797557532798 2482710.728475911 0.524738715116724 470.299977511553 2.7199609651561 7.55241439273598 1140021.0796952 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2119-May-16 17:15 < 00:01 Earth 0.0875820093007475 0.087570900903193 0.0875931176262533 10.5995901546213 10.5967195909085 2495144.218953225 0.925680069658841 396.011866489495 2.48159758951265 -5.41508171402749 341607.704073111 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2134-Jun-22 18:27 < 00:01 Earth 0.208054596620501 0.208053409702912 0.208055783537367 14.163442611043 14.1625383786151 2500660.268682173 0.0416745034771623 52.0754012262008 1.32065941884668 -2.69226335354789 984230.647855077 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2153-Apr-12 05:01 < 00:01 Earth 0.406647336788011 0.406632954279039 0.406661719307313 17.7358054220932 17.7354359785914 2507528.708983774 0.329419606905042 715.638790810827 4.54704723089857 13.4030462854663 2625455.07929493 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2155-Mar-11 06:41 < 00:01 Jupiter 1.54236299546974 1.5423594617324 1.54236652920207 4.94424288990574 4.83189339968121 2508226.778755721 0.909626716564136 36.9743634107666 1.02307537579512 17.1987868505676 5479914.65824719 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2166-Sep-11 05:04 00:01 Jupiter 1.23598695487466 1.2359852820955 1.23598862768919 4.60190367835668 4.45049619750045 2512428.711353115 1.28508820649136 32.318301782853 2.34837415232672 -49.9505206035157 4630513.84573307 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2172-May-23 15:51 00:02 Earth 0.0711629063420805 0.0711457524445097 0.0711800670545028 9.99522436151599 9.99147767344341 2514510.160306701 2.07830895942148 935.436379620661 1.72870557719447 -51.9868452529696 3236526.26371165 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
2178-Mar-16 09:41 00:01 Jupiter 1.78291947418741 1.78290327658266 1.78293567173623 6.55813042629772 6.48528506640503 2516632.903231345 1.31516223536479 227.559302697944 2.18344883361661 -11.3358265364805 2603229.85173542 T 133 CATAB v2.0c-linF95 2014-Oct-29 06:20:17 2014-Oct-29 06:20
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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