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 ]  
29489 (1997 WQ)
Classification: Main-belt Asteroid          SPK-ID: 2029489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949240058723923 2.913e-08  
a 2.641775300270548 1.0576e-08 au
q 2.126829876127071 7.5518e-08 au
i 12.71343567613247 3.8531e-06 deg
node 54.18306695411996 1.4558e-05 deg
peri 258.2743364228305 1.8148e-05 deg
M 182.1726117727875 1.2201e-05 deg
tp 2459775.208621501012
(2022-Jul-14.70862150)
5.5035e-05 TDB
period 1568.34729745913
4.29
9.4176e-06
2.578e-08
d
yr
n .2295409955328349 1.3784e-09 deg/d
Q 3.156720724414025 1.2637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2169  
   data-arc span      14866 days (40.70 yr)  
   first obs. used      1979-08-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:39:31  

Additional Information
 Earth MOID = 1.15611 au 
 Jupiter MOID = 2.22531 au 
 T_jup = 3.333 
[ 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 13.4   n/a MPO459066  

29489 (1997 WQ)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WQ = 1999 CU123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 06:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin