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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03508136209313267 3.2309e-08  
a 2.731376143654676 1.3931e-08 au
q 2.635555748146582 9.2667e-08 au
i 5.427229435072316 4.6561e-06 deg
node 174.2521276898593 3.6164e-05 deg
peri 263.1118051823178 8.1743e-05 deg
M 326.5958862565752 7.5281e-05 deg
tp 2459549.491797697052
(2021-Nov-30.99179770)
0.00034519 TDB
period 1648.810311028833
4.51
1.2614e-05
3.454e-08
d
yr
n .2183392459350678 1.6704e-09 deg/d
Q 2.82719653916277 1.4419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   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      .53293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:52:22  

Additional Information
 Earth MOID = 1.65715 au 
 Jupiter MOID = 2.24926 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457676.5 (2016-Oct-15.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03621377159321058 3.3069e-08  
q 2.633837454386787 9.5329e-08 au
tp 2457879.778954039641
(2017-May-06.27895404)
0.00032563 TDB
node 174.4295631643415 3.6188e-05 deg
peri 258.7104039086979 7.8816e-05 deg
i 5.42440303936084 4.654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1067  
   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      .53293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:52:22  

Additional Information
 Jupiter MOID = 2.24926 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.093546498695417E-15 -3.122691096189819E-15 -2.498158157883308E-12 -5.195181279723976E-15 -5.052958526873419E-13 7.401374657622039E-16
q -3.122691096189819E-15 9.087558559750927E-15 8.342973480471199E-12 1.54067103973984E-14 1.698903645686961E-12 -1.837250862500333E-15
tp -2.498158157883308E-12 8.342973480471199E-12 1.060365968571967E-7 5.964992752507417E-11 2.280761143234044E-8 -5.302842437052118E-12
node -5.195181279723976E-15 1.54067103973984E-14 5.964992752507417E-11 1.309607446413246E-9 -1.290634328939328E-9 -7.985270014422729E-12
peri -5.052958526873419E-13 1.698903645686961E-12 2.280761143234044E-8 -1.290634328939328E-9 6.211890645597925E-9 6.801079226698398E-12
i 7.401374657622039E-16 -1.837250862500333E-15 -5.302842437052118E-12 -7.985270014422729E-12 6.801079226698398E-12 2.165955279251665E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.90   n/a MPO636722  
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

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