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 ]  
20760 Chanmatchun (2000 DR8)
Classification: Main-belt Asteroid          SPK-ID: 2020760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627137148264769 3.391e-08  
a 2.419652780995426 9.1365e-09 au
q 2.025942088409445 8.5601e-08 au
i 7.364752565549059 4.5305e-06 deg
node 35.92198311365928 2.6041e-05 deg
peri 266.9164091740924 2.9975e-05 deg
M 30.1257460759256 1.5598e-05 deg
tp 2458885.456175368558
(2020-Feb-05.95617537)
5.9435e-05 TDB
period 1374.763524957664
3.76
7.7866e-06
2.132e-08
d
yr
n .2618632175385118 1.4832e-09 deg/d
Q 2.813363473581408 1.0623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2006  
   data-arc span      17763 days (48.63 yr)  
   first obs. used      1971-10-11  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:46:04  

Additional Information
 Earth MOID = 1.02714 au 
 Jupiter MOID = 2.4407 au 
 T_jup = 3.485 
[ 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 13.7   n/a MPO474039  
diameter diameter 3.603 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

20760 Chanmatchun           Discovered 2000 Feb. 27 by W. K. Y. Yeung at Rock Finder Observatory.
Mat Chun Chan (b. 1934) is the discoverer's mother, and this minor planet is named for her unconditional love.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 2000 DR8 = 1971 TM3 = 1990 UE13 = 1998 XD45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 11:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin