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 ]  
160921 (2001 XH115)
Classification: Main-belt Asteroid          SPK-ID: 2160921
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10129497527955 6.1368e-08  
a 2.198000883444945 1.0681e-08 au
q 1.97535443829196 1.3618e-07 au
i 6.742100436073084 4.289e-06 deg
node 311.1871465624662 5.2255e-05 deg
peri 53.42173480775703 5.8129e-05 deg
M 197.7730335038203 2.7024e-05 deg
tp 2459136.865415928281
(2020-Oct-14.36541593)		 9.0105e-05 TDB
period 1190.255565425544
3.26		 8.6756e-06
2.375e-08		 d
yr
n .3024560526808304 2.2046e-09 deg/d
Q 2.42064732859793 1.1763e-08 au
   Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7450 days (20.40 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:30  

Additional Information
 Earth MOID = .979376 au 
 Jupiter MOID = 2.98571 au 
 T_jup = 3.652 
[ 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 16.1   n/a MPO436811  
diameter diameter 1.811 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160921 (2001 XH115)          Discovered 2001-Dec-13 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin