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46635 (1994 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2046635
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256787127028584 1.8027e-08  
a 2.731102203577296 1.105e-08 au
q 2.114750574014032 5.0653e-08 au
i 9.798659419165904 8.1422e-07 deg
node 104.4771760559833 2.1921e-06 deg
peri 38.12742102074349 4.0587e-06 deg
M 263.9067062717668 6.1866e-06 deg
tp 2459836.543828756815
(2022-Sep-14.04382876)
3.0203e-05 TDB
period 1648.562269084853
4.51
1.0005e-05
2.739e-08
d
yr
n .2183720971606627 1.3253e-09 deg/d
Q 3.34745383314056 1.3544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      14204 days (38.89 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:24:46  

Additional Information
 Earth MOID = 1.13822 au 
 Jupiter MOID = 1.72773 au 
 T_jup = 3.296 
[ 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 13.59   n/a E2021B10  
diameter diameter 7.907 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46635 (1994 WK2)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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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
1902-Dec-10 18:18 00:02 Jupiter 1.72318700222697 1.72318685286408 1.72318715159005 1.8730191545115 1.58906023453857 2416094.262349869 2.0387205647035 197.74618392784 14.3680537369831 73.8787007974653 5102171.23675604 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
1939-Aug-28 04:36 00:02 Jupiter 1.91481832509705 1.91481741689734 1.91481923329948 1.59620590985143 1.28963970350091 2429503.691627765 1.51672460655474 175.461600077099 24.2672650035213 -65.8896443178201 5230825.81582937 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
1961-Apr-02 12:25 < 00:01 Jupiter 1.93273234824359 1.93273166150097 1.93273303498622 2.60011514958277 2.42571559390117 2437392.017051692 0.989133050850547 35.1500638766238 16.0334346391188 -55.3483531217893 3555052.51424223 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
1997-Nov-27 13:33 < 00:01 Jupiter 1.72912927483983 1.72912912308424 1.72912942659551 1.78685477239462 1.48766263132002 2450780.064830569 0.324987062349092 37.9425180090485 17.6920755788646 82.6694872478197 5957162.15064077 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2034-Aug-18 22:48 < 00:01 Jupiter 1.92542517949661 1.9254249884705 1.92542537052272 1.59888300471419 1.29483504918214 2464193.449784729 0.386096520250468 43.4273950725907 25.4794427123108 -62.0037619878999 5045381.66438863 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2056-Mar-17 21:24 < 00:01 Jupiter 1.93391714367852 1.93391662239788 1.93391766495915 2.57891111047757 2.40308486074262 2472075.391435951 0.736045948420617 30.8168360081175 13.0159969763213 -64.6451007266395 4282057.51610228 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2092-Nov-15 13:29 00:01 Jupiter 1.72754800072612 1.72754785281341 1.72754814863893 1.67841534077653 1.35516472307699 2485467.061957072 1.39815507291622 131.840744776303 29.5081087748067 59.0895079864721 3834418.81767674 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2129-Aug-09 22:00 00:02 Jupiter 1.92597990555331 1.92597867831765 1.92598113279182 1.59689031416821 1.29247167400622 2498882.416855953 2.2597311358237 264.501524885623 27.0020538058867 -49.7574989491161 3836353.70217296 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2151-Mar-08 12:30 00:02 Jupiter 1.91697525445579 1.9169736348053 1.91697687410649 2.51612458171284 2.33391851031646 2506763.021162641 2.4462167392624 93.0624023213333 12.4778559018969 -58.5401067234331 3532972.23117556 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26
2187-Nov-07 02:30 00:03 Jupiter 1.72623395467553 1.72623379569604 1.72623411365748 1.56474261583935 1.21122515070131 2520155.604182594 3.14290759317249 323.002022717711 44.5274737733933 44.2343054812648 2963663.66211503 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 21:26:13 2021-Jul-08 21:26

Alternate Designations
 1994 WK2 = 1982 DY = 1999 XP136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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