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 ]  
74354 (1998 WA6)
Classification: Main-belt Asteroid          SPK-ID: 2074354
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2843315353507569 8.1526e-08  
a 2.684636385654526 2.0193e-08 AU
q 1.921309600262868 2.2481e-07 AU
i 5.681429923071406 7.7461e-06 deg
node 50.07015659071731 7.5598e-05 deg
peri 333.5699627661891 7.6466e-05 deg
M 248.402739470416 1.376e-05 deg
tp 2457498.555416870367
(2016-Apr-20.05541687)
6.4908e-05 JED
period 1606.669816288191
4.40
1.8127e-05
4.963e-08
d
yr
n .2240659507948496 2.528e-09 deg/d
Q 3.447963171046184 2.5934e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6978 days (19.10 yr)  
   first obs. used      1996-05-16  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54843  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:53:01  

Additional Information
 Earth MOID = .92701 AU 
 T_jup = 3.309 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO257338  

74354 (1998 WA6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WA6 = 2002 QA43 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-30 08:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin