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 ]  
17756 (1998 DM13)
Classification: Main-belt Asteroid          SPK-ID: 2017756
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0927684543878855 3.5067e-08  
a 2.58886379903161 1.4534e-08 au
q 2.348698905774698 9.5315e-08 au
i 12.95653603388875 5.6159e-06 deg
node 234.949659060027 1.9503e-05 deg
peri 74.25547017035549 3.9649e-05 deg
M 267.7521954509724 3.3609e-05 deg
tp 2458990.366365188705
(2020-May-20.86636519)		 0.00014173 TDB
period 1521.465927065394
4.17		 1.2812e-05
3.508e-08		 d
yr
n .2366139087283858 1.9925e-09 deg/d
Q 2.829028692288522 1.5882e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1447  
   data-arc span      11544 days (31.61 yr)  
   first obs. used      1987-10-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:50  

Additional Information
 Earth MOID = 1.37157 au 
 Jupiter MOID = 2.36817 au 
 T_jup = 3.379 
[ 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 13.6   n/a MPO395173  
diameter diameter 4.912 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17756 (1998 DM13)          Discovered 1998-Feb-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DM13 = 1987 TD = 1999 NM53 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-28 17:08 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin