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 ]  
212264 (2005 JJ122)
Classification: Main-belt Asteroid          SPK-ID: 2212264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949927983044409 3.7571e-08  
a 2.693863494308381 1.5659e-08 au
q 2.168579513303011 1.0051e-07 au
i 10.84085774826172 5.4135e-06 deg
node 198.4397649751298 2.3745e-05 deg
peri 110.5233622648241 2.9975e-05 deg
M 353.3746808209885 1.4752e-05 deg
tp 2458630.221184189561
(2019-May-26.72118419)
6.6172e-05 TDB
period 1614.960127828638
4.42
1.4081e-05
3.855e-08
d
yr
n .2229157202066844 1.9436e-09 deg/d
Q 3.219147475313751 1.8712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      5739 days (15.71 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:07  

Additional Information
 Earth MOID = 1.18238 au 
 Jupiter MOID = 2.18465 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO450007  
diameter diameter 4.104 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212264 (2005 JJ122)          Discovered 2005-May-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin