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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
32744 (1979 MR5)
Classification: Main-belt Asteroid          SPK-ID: 2032744
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363968833729887 3.3002e-08  
a 2.323986256242022 8.0431e-09 au
q 2.00700177388895 7.777e-08 au
i 1.950427310125491 3.7826e-06 deg
node 267.01842001 0.00010974 deg
peri 81.00982319103342 0.00011065 deg
M 42.73559802638495 1.4113e-05 deg
tp 2458446.884144139526
(2018-Nov-24.38414414)
5.0568e-05 TDB
period 1294.043155208159
3.54
6.7178e-06
1.839e-08
d
yr
n .2781978317733079 1.4442e-09 deg/d
Q 2.640970738595094 9.1401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      14879 days (40.74 yr)  
   first obs. used      1978-03-15  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:33:20  

Additional Information
 Earth MOID = 1.00047 au 
 Jupiter MOID = 2.75356 au 
 T_jup = 3.562 
[ 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 15.4   n/a MPO452630  
diameter diameter 3.951 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32744 (1979 MR5)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin