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 ]  
29173 (1990 QW4)
Classification: Main-belt Asteroid          SPK-ID: 2029173
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509061802449217 5.6008e-08  
a 2.304887597980766 1.4272e-08 au
q 1.957065814675596 1.2844e-07 au
i 8.669687706546759 6.2981e-06 deg
node 123.1873260924875 4.6032e-05 deg
peri 307.0761920101873 5.2417e-05 deg
M 75.92763537374736 2.3666e-05 deg
tp 2457330.930702093946
(2015-Nov-04.43070209)
8.3943e-05 JED
period 1278.124187174852
3.50
1.1871e-05
3.25e-08
d
yr
n .2816627708108232 2.6161e-09 deg/d
Q 2.652709381285935 1.6426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9358 days (25.62 yr)  
   first obs. used      1990-08-24  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .552  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:53:25  

Additional Information
 Earth MOID = .983921 au 
 Jupiter MOID = 2.62016 au 
 T_jup = 3.558 
[ 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 14.2 mag n/a MPO365598  

29173 (1990 QW4)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QW4 = 1999 CK10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin