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 ]  
66975 (1999 XR75)
Classification: Main-belt Asteroid          SPK-ID: 2066975
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122106885095312 4.5282e-08  
a 2.925396918359167 2.3309e-08 au
q 2.568185812990904 1.3818e-07 au
i 2.985096217005076 5.0675e-06 deg
node 110.5888951531982 9.1205e-05 deg
peri 303.5107199238907 9.3367e-05 deg
M 54.84504716099153 2.0448e-05 deg
tp 2458722.073518172810
(2019-Aug-26.57351817)
0.00010295 TDB
period 1827.57675754319
5.00
2.1843e-05
5.98e-08
d
yr
n .1969821505521594 2.3543e-09 deg/d
Q 3.282608023727429 2.6155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      7334 days (20.08 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:53:29  

Additional Information
 Earth MOID = 1.58113 au 
 Jupiter MOID = 2.05203 au 
 T_jup = 3.265 
[ 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 14.7   n/a MPO417289  
diameter diameter 3.002 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66975 (1999 XR75)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XR75 = 2001 FU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-22 23:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin