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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
154819 (2004 QN9)
Classification: Main-belt Asteroid          SPK-ID: 2154819
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989105559735142 4.5459e-08  
a 2.42961864425913 1.1614e-08 au
q 1.94634184892593 1.1399e-07 au
i 5.760523165701877 5.2391e-06 deg
node 10.40823174369954 5.1968e-05 deg
peri 304.5562132725097 5.4124e-05 deg
M 69.80124680273629 1.3823e-05 deg
tp 2458732.295368244782
(2019-Sep-05.79536824)
5.2719e-05 TDB
period 1383.265655766101
3.79
9.918e-06
2.715e-08
d
yr
n .2602536963882178 1.866e-09 deg/d
Q 2.912895439592329 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      6067 days (16.61 yr)  
   first obs. used      2003-03-24  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52061  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:30:21  

Additional Information
 Earth MOID = .939947 au 
 Jupiter MOID = 2.4026 au 
 T_jup = 3.474 
[ 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 16.0   n/a MPO257704  

154819 (2004 QN9)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 QN9 = 2003 FG25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 23:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin