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 ]  
7557 (1982 FK3)
Classification: Main-belt Asteroid          SPK-ID: 2007557
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2192074839069125 6.1896e-08  
a 2.466549049744383 1.5245e-08 au
q 1.925863038616931 1.5163e-07 au
i 4.457376923616244 9.1013e-06 deg
node 188.5535868269713 6.2087e-05 deg
peri 298.4999562954944 6.5855e-05 deg
M 302.9806458386961 2.1673e-05 deg
tp 2457624.605675063367
(2016-Aug-24.10567506)
8.6434e-05 JED
period 1414.923830855387
3.87
1.3118e-05
3.592e-08
d
yr
n .2544306570781009 2.3589e-09 deg/d
Q 3.007235060871836 1.8587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1082  
   data-arc span      13790 days (37.75 yr)  
   first obs. used      1978-03-05  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:04:05  

Additional Information
 Earth MOID = .945638 au 
 Jupiter MOID = 2.08524 au 
 T_jup = 3.449 
[ 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 14.2 mag n/a MPO347586  
rotation period rot_per 5.650 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]

7557 (1982 FK3)          Discovered 1982-Mar-21 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 FK3 = 1978 EN8 = 1986 GA3 = 1986 GN1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-14 18:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin