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 ]  
2685 Masursky (1981 JN)
Classification: Main-belt Asteroid          SPK-ID: 2002685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111254221405229 2.5955e-08  
a 2.5689576309225 8.9262e-09 au
q 2.28348112972512 6.9108e-08 au
i 12.12291956069896 3.1697e-06 deg
node 215.3290537066431 1.3366e-05 deg
peri 287.9931813002788 2.093e-05 deg
M 341.7660035715954 1.6951e-05 deg
tp 2459472.675129980098
(2021-Sep-15.17512998)
7.0866e-05 TDB
period 1503.951528152985
4.12
7.8385e-06
2.146e-08
d
yr
n .2393694166740327 1.2476e-09 deg/d
Q 2.854434132119881 9.9181e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3109  
   data-arc span      17409 days (47.66 yr)  
   first obs. used      1973-08-28  
   last obs. used      2021-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:44:36  

Additional Information
 Earth MOID = 1.32801 au 
 Jupiter MOID = 2.23742 au 
 T_jup = 3.391 
[ 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 12.13   n/a E2021B10  
diameter diameter 10.744 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.114   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2685 Masursky (1981 JN)          Discovered 1981-May-03 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 JN = 1950 VO = 1973 QF = 1975 XJ5 = 1977 KU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 05:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin