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 ]  
523603 (2004 QJ7)
Classification: Apollo [NEO]          SPK-ID: 2523603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 143 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .330197137987314 2.7226e-08  
a 1.443603695273785 2.4538e-09 au
q .9669298867064702 3.9424e-08 au
i 14.51009208902793 6.1782e-06 deg
node 25.57588554758336 1.1493e-05 deg
peri 63.50868901573707 1.457e-05 deg
M 80.2850852509963 6.8791e-06 deg
tp 2458459.212813622785
(2018-Dec-06.71281362)
1.1977e-05 TDB
period 633.5346962238683
1.73
1.6153e-06
4.422e-09
d
yr
n .5682403854844108 1.4488e-09 deg/d
Q 1.920277503841099 3.2641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      5396 days (14.77 yr)  
   first obs. used      2004-08-23  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-03 06:46:21  

Additional Information
 Earth MOID = .0911237 au 
 Jupiter MOID = 3.38055 au 
 T_jup = 4.567 
[ 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 18.6   n/a MPO450750  
rotation period rot_per 1.28 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]

523603 (2004 QJ7)          Discovered 2004-Aug-23 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2018-10-01

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 20:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin