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46520 (1979 MJ3)
Classification: Main-belt Asteroid          SPK-ID: 2046520
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03508136134250335 3.2312e-08  
a 2.731376143800333 1.3931e-08 au
q 2.635555750337379 9.2674e-08 au
i 5.427229428759035 4.658e-06 deg
node 174.2521277069133 3.6167e-05 deg
peri 263.1118020575229 8.1761e-05 deg
M 326.5958892412972 7.5298e-05 deg
tp 2459549.491784039178
(2021-Nov-30.99178404)
0.00034527 TDB
period 1648.810311160723
4.51
1.2614e-05
3.454e-08
d
yr
n .2183392459176026 1.6704e-09 deg/d
Q 2.827196537263286 1.442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      15185 days (41.57 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:43  

Additional Information
 Earth MOID = 1.65715 au 
 Jupiter MOID = 2.24926 au 
 T_jup = 3.347 
[ 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 14.89   n/a E2021B10  
diameter diameter 6.160 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46520 (1979 MJ3)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ 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-Feb-11 23:41 00:02 Eunom 0.0140453234406779 0.014026064378178 0.0140645947101554 5.60835555104773 5.60835537283997 2416888.486997329 2.03557524004949 1161.36055731714 43.996415179439 -34.2590239962475 26908.8563770726 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 09:49:46 2021-Apr-13 09:49
1932-Aug-19 17:46 00:02 Juno 0.0343681558735559 0.0343516943161969 0.0343846180836134 4.38806895126813 4.38806887059734 2426939.240502162 2.04085715485352 853.500848318871 49.94615419928 16.0943192512382 29091.899112 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 09:49:46 2021-Apr-13 09:49
1985-Dec-01 12:11 < 00:01 David 0.0361075558394899 0.0361033898185923 0.0361117222320967 5.10229868207159 5.1022986000706 2446401.007388192 0.822789459890136 277.581973739856 27.5617177424633 41.8322982542938 131436.872373035 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 09:49:46 2021-Apr-13 09:49

Alternate Designations
 1979 MJ3 = 1979 OY1 = 2000 CF102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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