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362781 (2011 WK113)
Classification: Main-belt Asteroid          SPK-ID: 2362781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593916955268935 4.0386e-08  
a 2.72380077169243 3.3292e-08 au
q 2.289649548414912 1.1204e-07 au
i 9.31869806126349 7.184e-06 deg
node 23.754162035333 3.1789e-05 deg
peri 60.40189795153243 4.1683e-05 deg
M 41.47221619169305 2.5309e-05 deg
tp 2459207.345717712004
(2020-Dec-23.84571771)
0.00011472 TDB
period 1641.955696530109
4.50
3.0104e-05
8.242e-08
d
yr
n .2192507390794869 4.0198e-09 deg/d
Q 3.157951994969947 3.8599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6147 days (16.83 yr)  
   first obs. used      2004-04-13  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:46  

Additional Information
 Earth MOID = 1.32171 au 
 Jupiter MOID = 2.1554 au 
 T_jup = 3.320 
[ 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 16.80   n/a MPCxxxxx  

362781 (2011 WK113)          Discovered 2004-Apr-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ 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
2155-Feb-24 09:23 00:05 Psych 0.0302691477304571 0.0301725821118888 0.0303661573466163 4.67763716982599 4.67763708437317 2508211.891087648 4.91858676619319 7527.23607035575 105.177514402829 -50.1544356457391 33034.3946675714 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 09:40:47 2021-Apr-14 09:40
2200-Feb-08 22:45 00:11 Psych 0.0487199095712697 0.0486357071160265 0.0488047357101671 4.71307868953626 4.71307863684458 2524632.447883197 10.775851608149 9656.79679209863 105.308186666221 -64.1460682253478 62242.4293450419 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 09:40:47 2021-Apr-14 09:40

Alternate Designations
 2011 WK113 = 2004 GJ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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