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 ]  
13487 (1981 VN)
Classification: Main-belt Asteroid          SPK-ID: 2013487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067837591022772 1.3958e-08  
a 2.621411626058114 9.0235e-09 au
q 2.341487438473215 3.5969e-08 au
i 15.92421874511945 5.0212e-07 deg
node 39.73989607295825 2.4786e-06 deg
peri 17.31674248865381 7.5247e-06 deg
M 65.45611302561669 5.8318e-06 deg
tp 2458918.629925684112
(2020-Mar-10.12992568)
2.4801e-05 TDB
period 1550.248281837444
4.24
8.0045e-06
2.192e-08
d
yr
n .232220866952555 1.199e-09 deg/d
Q 2.901335813643012 9.9871e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2376  
   data-arc span      14383 days (39.38 yr)  
   first obs. used      1981-10-23  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:57:59  

Additional Information
 Earth MOID = 1.35497 au 
 Jupiter MOID = 2.51132 au 
 T_jup = 3.342 
[ 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 12.78   n/a E2021B10  
diameter diameter 8.892 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.223   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

13487 (1981 VN)          Discovered 1981-Nov-02 by Skiff, B. A. at Anderson Mesa
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 VN = 1992 HF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 09:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin