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
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222134003168315 4.1588e-08  
a 2.925150399566229 1.9186e-08 au
q 2.567657822797102 1.2271e-07 au
i 2.985084544674633 4.4749e-06 deg
node 110.5883628183551 8.3365e-05 deg
peri 303.455623940774 8.5301e-05 deg
M 94.28575428922451 1.8596e-05 deg
tp 2458721.909242927573
(2019-Aug-26.40924293)
9.3142e-05 TDB
period 1827.34575169819
5.00
1.7978e-05
4.922e-08
d
yr
n .1970070522589633 1.9383e-09 deg/d
Q 3.282642976335357 2.1531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      7778 days (21.30 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:53  

Additional Information
 Earth MOID = 1.57981 au 
 Jupiter MOID = 2.05279 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 14.81   n/a MPCxxxxx  
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 2021-Jun-23 16:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin