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287433 (2002 WQ28)
Classification: Main-belt Asteroid          SPK-ID: 2287433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960368031656827 5.2206e-08  
a 3.126183863346102 3.0895e-08 au
q 2.513336772667588 1.5696e-07 au
i 15.20504183823405 9.4156e-06 deg
node 224.2831050905291 1.9856e-05 deg
peri 246.2292057369032 3.246e-05 deg
M 92.40965745371589 2.574e-05 deg
tp 2458878.255070048052
(2020-Jan-29.75507005)
0.00014106 TDB
period 2018.925076917913
5.53
2.9929e-05
8.194e-08
d
yr
n .1783127091321166 2.6433e-09 deg/d
Q 3.739030954024615 3.6952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      8950 days (24.50 yr)  
   first obs. used      1996-11-09  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 05:11:37  

Additional Information
 Earth MOID = 1.57445 au 
 Jupiter MOID = 1.76784 au 
 T_jup = 3.131 
[ 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 15.7   n/a MPO455129  

287433 (2002 WQ28)          Discovered 2002-Nov-23 by NEAT at Palomar
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
1962-Oct-18 08:59 00:03 Jupiter 1.89907866849008 1.89907738659709 1.89907995038274 2.86627767676672 2.70619890604308 2437955.874049942 3.33454228782409 264.550628177578 43.8783199311565 -80.253493192515 542060.066001324 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
1972-Aug-17 07:29 00:02 Jupiter 1.77616420675637 1.7761630435204 1.77616536999426 3.08869111156575 2.93022981820291 2441546.811766488 2.37654340829201 259.491297152078 47.9890770884894 -82.8995274317067 872285.933353964 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2046-Apr-30 03:34 00:02 Jupiter 1.90651785465191 1.90651684555743 1.90651886374628 4.13012500566857 4.02111651917495 2468465.648614938 1.56879765339673 165.253889647297 43.2222937041568 -88.2674120909719 1080023.92531757 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2056-Mar-10 22:40 00:03 Jupiter 1.81795920810354 1.81795789807612 1.81796051813231 1.95617885142921 1.70141025221435 2472068.444277663 2.66079624928497 291.627361971763 200.539311154258 59.899523362835 464602.395363351 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2066-Jul-02 00:11 00:02 Jupiter 1.91011561794694 1.91011416443876 1.91011707146642 4.3252210940137 4.22145195767934 2475833.507624568 2.356743828182 314.451276307473 40.0793896657958 80.3961582306726 1363755.8333721 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2129-Oct-19 22:51 00:05 Jupiter 1.93016670759607 1.93016490864119 1.9301685066023 5.01070697648086 4.92234869545048 2498953.452284892 5.32931928652224 591.509141207947 42.284474473911 83.7291599351632 1423534.2509788 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2139-Dec-02 04:08 00:10 Jupiter 1.8377388306916 1.83773744345102 1.83774021793231 0.8995772483967 n/a 2502648.672098414 9.66768342447139 422.254419380135 69.0529968899907 89.4326585713415 3980087.9191787 F 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11
2149-Dec-12 01:47 00:06 Jupiter 1.8487432911197 1.84874125770103 1.84874532462738 3.8110351465859 3.68885706102902 2506311.574139530 6.42966401482153 757.575074791659 40.7557690578191 85.2887030664385 1061525.12175283 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 05:11:39 2021-Jul-09 05:11

Alternate Designations
 2002 WQ28 = 1996 VA22 = 2004 EP57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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