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 ]  
13676 (1997 MA4)
Classification: Main-belt Asteroid          SPK-ID: 2013676
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01625457918557891 4.18e-08  
a 2.854994333469911 1.5279e-08 au
q 2.808587602002146 1.2212e-07 au
i 1.384181091309551 4.7459e-06 deg
node 346.1699186342208 0.00016983 deg
peri 136.2977366336335 0.00022134 deg
M 344.922954560599 0.00014135 deg
tp 2458674.293829035341
(2019-Jul-09.79382904)		 0.00069186 TDB
period 1762.001617591346
4.82		 1.4144e-05
3.872e-08		 d
yr
n .2043130927950676 1.6401e-09 deg/d
Q 2.901401064937677 1.5527e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      9307 days (25.48 yr)  
   first obs. used      1993-09-14  
   last obs. used      2019-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:23  

Additional Information
 Earth MOID = 1.82435 au 
 Jupiter MOID = 2.08499 au 
 T_jup = 3.303 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO337374  
diameter diameter 4.991 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13676 (1997 MA4)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 MA4 = 1993 RU12 = 1998 SD99 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 22:58 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin