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46522 (1979 MS7)
Classification: Main-belt Asteroid          SPK-ID: 2046522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353558380665235 4.5123e-08  
a 2.741801886426552 2.1043e-08 au
q 2.370682994276911 1.2996e-07 au
i 4.482662692359303 5.4261e-06 deg
node 252.0845494846427 6.5854e-05 deg
peri 76.17620146512687 7.0018e-05 deg
M 247.2306468047659 2.6356e-05 deg
tp 2459119.946855912616
(2020-Sep-27.44685591)
0.00012456 TDB
period 1658.259649718775
4.54
1.909e-05
5.227e-08
d
yr
n .2170950731756952 2.4992e-09 deg/d
Q 3.112920778576193 2.3891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      14565 days (39.88 yr)  
   first obs. used      1979-06-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:47  

Additional Information
 Earth MOID = 1.36337 au 
 Jupiter MOID = 2.21878 au 
 T_jup = 3.332 
[ 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 15.1   n/a MPO436107  
diameter diameter 2.970 km 0.644 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46522 (1979 MS7)          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 MS7 = 2002 PF56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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