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 ]  
115978 (2003 WQ56)
Classification: Main-belt Asteroid          SPK-ID: 2115978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027774852563004 3.9005e-08  
a 2.193359199259752 6.0891e-09 au
q 1.748595336570087 8.5212e-08 au
i 2.929922114695868 4.2644e-06 deg
node 46.06394846767545 6.1415e-05 deg
peri 290.8207965203862 6.2144e-05 deg
M 157.7391404813562 9.4389e-06 deg
tp 2458680.623679054659
(2019-Jul-16.12367905)
3.0894e-05 TDB
period 1186.487228022161
3.25
4.9408e-06
1.353e-08
d
yr
n .3034166668613106 1.2635e-09 deg/d
Q 2.638123061949418 7.3238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      24303 days (66.54 yr)  
   first obs. used      1954-09-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:19  

Additional Information
 Earth MOID = .740115 au 
 Jupiter MOID = 2.74325 au 
 T_jup = 3.642 
[ 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 16.57   n/a MPCxxxxx  
rotation period rot_per 9.4380 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]

115978 (2003 WQ56)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 WQ56 = 2002 JG68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-12 06:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin