Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351186679925742 4.4692e-08  
a 2.744041705786892 1.9187e-08 au
q 2.373270445584896 1.2836e-07 au
i 4.480480639389289 5.2296e-06 deg
node 252.0758442201705 6.3411e-05 deg
peri 75.73187331830066 6.7026e-05 deg
M 334.4145165729971 2.3939e-05 deg
tp 2459118.498263184589
(2020-Sep-25.99826318)
0.00011101 TDB
period 1660.292050671954
4.55
1.7414e-05
4.768e-08
d
yr
n .2168293221992484 2.2742e-09 deg/d
Q 3.114812965988888 2.178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      14955 days (40.94 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:40:47  

Additional Information
 Earth MOID = 1.36673 au 
 Jupiter MOID = 2.21677 au 
 T_jup = 3.331 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 05:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin