Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
8479 (1987 HD2)
Classification: Main-belt Asteroid          SPK-ID: 2008479
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227975749908421 4.5823e-08  
a 2.429036049919927 1.3157e-08 AU
q 1.875274734884843 1.0874e-07 AU
i 1.328150255965079 4.7553e-06 deg
node 167.5095769149982 0.00020866 deg
peri 78.4949112540487 0.0002091 deg
M 88.4790195257841 1.2947e-05 deg
tp 2456660.650083173267
(2014-Jan-03.15008317)
4.8059e-05 JED
period 1382.76814902962
3.79
1.1234e-05
3.076e-08
d
yr
n .260347333175584 2.1152e-09 deg/d
Q 2.982797364955011 1.6156e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1323  
   data-arc span      29363 days (80.39 yr)  
   first obs. used      1934-04-15  
   last obs. used      2014-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51033  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:53:38  

Additional Information
 Earth MOID = .864002 AU 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263425  

8479 (1987 HD2)          Discovered 1987-Apr-29 by Mrkos, A. at Klet (046)
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 HD2 = 1934 GP = 1969 TC6 = 1983 EJ3 = 1998 CF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-17 03:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin