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 ]  
97333 (1999 XW256)
Classification: Main-belt Asteroid          SPK-ID: 2097333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111974034847247 6.0467e-08  
a 3.120601720544849 3.1114e-08 au
q 2.773598911910297 1.9847e-07 au
i 28.50024076757229 6.0675e-06 deg
node 58.53250207897376 1.0313e-05 deg
peri 197.7911748245353 3.2412e-05 deg
M 359.2828483631068 3.4768e-05 deg
tp 2458604.511108738155
(2019-May-01.01110874)
0.00019449 TDB
period 2013.519974647868
5.51
3.0114e-05
8.245e-08
d
yr
n .1787913725876786 2.6739e-09 deg/d
Q 3.467604529179401 3.4574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      1999-11-03  
   last obs. used      2018-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:16:03  

Additional Information
 Earth MOID = 1.76775 au 
 Jupiter MOID = 1.57668 au 
 T_jup = 3.020 
[ 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 13.8   n/a MPO436450  
diameter diameter 11.914 km 3.944 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.038   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

97333 (1999 XW256)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XW256 = 2000 YX142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-19 11:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin