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 ]  
66275 (1999 JX8)
Classification: Main-belt Asteroid          SPK-ID: 2066275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234940182496845 3.3651e-08  
a 2.299603052655715 7.9821e-09 au
q 1.759333891794479 7.7007e-08 au
i 1.595398356752816 4.857e-06 deg
node 49.23872087355727 0.00015427 deg
peri 259.8114854714177 0.0001548 deg
M 319.3953245426611 1.3582e-05 deg
tp 2459144.165101647799
(2020-Oct-21.66510165)
4.8457e-05 TDB
period 1273.731066944411
3.49
6.6318e-06
1.816e-08
d
yr
n .2826342305237275 1.4716e-09 deg/d
Q 2.839872213516951 9.8574e-09 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      9124 days (24.98 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:54:01  

Additional Information
 Earth MOID = .745613 au 
 Jupiter MOID = 2.43121 au 
 T_jup = 3.555 
[ 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 16.2   n/a MPO263854  
diameter diameter 1.303 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66275 (1999 JX8)          Discovered 1999-May-15 by Juels, C. W. at Fountain Hills
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 13:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin