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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457675.5 (2016-Oct-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03621415961079128 3.307e-08  
q 2.633836901716879 9.5333e-08 au
tp 2457879.779735915142
(2017-May-06.27973591)
0.00032571 TDB
node 174.4295652806491 3.6192e-05 deg
peri 258.7106009854812 7.8834e-05 deg
i 5.424403360252266 4.6559e-06 deg
  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
 Jupiter MOID = 2.24926 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.093644910913915E-15 -3.122983016785215E-15 -2.495783683264318E-12 -5.187625086507627E-15 -5.047681376222156E-13 7.383333121915272E-16
q -3.122983016785215E-15 9.088423201850752E-15 8.33591385853874E-12 1.538434464087981E-14 1.697335296045189E-12 -1.831886707459616E-15
tp -2.495783683264318E-12 8.33591385853874E-12 1.060880687019419E-7 5.966765549238236E-11 2.281921175627027E-8 -5.301259212561086E-12
node -5.187625086507627E-15 1.538434464087981E-14 5.966765549238236E-11 1.309833808498153E-9 -1.290855184347096E-9 -8.048695246371264E-12
peri -5.047681376222156E-13 1.697335296045189E-12 2.281921175627027E-8 -1.290855184347096E-9 6.214728337859212E-9 6.864439672287331E-12
i 7.383333121915272E-16 -1.831886707459616E-15 -5.301259212561086E-12 -8.048695246371264E-12 6.864439672287331E-12 2.167724650207805E-11

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

[ show close-approach data ]
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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