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 ]  
146775 (2001 XD226)
Classification: Main-belt Asteroid          SPK-ID: 2146775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06468133227518581 4.9117e-08  
a 2.778026124489196 1.6716e-08 au
q 2.598339693661964 1.4101e-07 au
i 3.336088677388775 4.3124e-06 deg
node 261.2396835308224 0.00010105 deg
peri 146.3638936490703 0.00010967 deg
M 17.1344294842153 4.1942e-05 deg
tp 2458920.004785331764
(2020-Mar-11.50478533)
0.00019694 TDB
period 1691.23093986063
4.63
1.5264e-05
4.179e-08
d
yr
n .2128627093527905 1.9212e-09 deg/d
Q 2.957712555316429 1.7797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8494 days (23.26 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:26:41  

Additional Information
 Earth MOID = 1.60897 au 
 Jupiter MOID = 2.29822 au 
 T_jup = 3.329 
[ 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 16.1   n/a MPO502888  
diameter diameter 3.982 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146775 (2001 XD226)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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-Sep-26 18:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin