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 ]  
29171 (1990 QK3)
Classification: Main-belt Asteroid          SPK-ID: 2029171
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239015160726862 5.7706e-08  
a 2.30746715846777 1.2876e-08 au
q 2.02156847924568 1.2941e-07 au
i 6.255550831028317 6.5601e-06 deg
node 151.0635428306872 4.1378e-05 deg
peri 239.7962791460447 5.0356e-05 deg
M 105.7751887498978 2.4963e-05 deg
tp 2457224.330978064437
(2015-Jul-20.83097806)
8.9343e-05 JED
period 1280.270444300518
3.51
1.0716e-05
2.934e-08
d
yr
n .2811905887561809 2.3536e-09 deg/d
Q 2.593365837689859 1.4471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      11918 days (32.63 yr)  
   first obs. used      1983-07-17  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56059  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:00:37  

Additional Information
 Earth MOID = 1.03318 au 
 Jupiter MOID = 2.84288 au 
 T_jup = 3.569 
[ 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 MPO358902  

29171 (1990 QK3)          Discovered 1990-Aug-28 by Holt, H. E. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QK3 = 1992 EP2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 23:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin