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 ]  
10309 (1990 QC6)
Classification: Main-belt Asteroid          SPK-ID: 2010309
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842431882182211 5.352e-08  
a 2.328292063348856 9.8633e-09 au
q 1.899320110494282 1.2818e-07 au
i .685301040779841 4.0048e-06 deg
node 92.24315351659939 0.00043733 deg
peri 316.6657363645442 0.00043752 deg
M 56.86168302672667 1.2068e-05 deg
tp 2457395.538720869405
(2016-Jan-08.03872087)
4.3141e-05 JED
period 1297.641162895802
3.55
8.2458e-06
2.258e-08
d
yr
n .2774264644908673 1.7629e-09 deg/d
Q 2.757264016203429 1.1681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1323  
   data-arc span      9355 days (25.61 yr)  
   first obs. used      1990-08-16  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54662  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:08:06  

Additional Information
 Earth MOID = .908005 au 
 Jupiter MOID = 2.61972 au 
 T_jup = 3.550 
[ 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 14.8 mag n/a MPO350884  

10309 (1990 QC6)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QC6 = 1996 HD9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Apr-28 19:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin