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 ]  
13865 (1999 XA170)
Classification: Main-belt Asteroid          SPK-ID: 2013865
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2306479048424263 3.9307e-08  
a 2.663872479316543 1.1786e-08 au
q 2.049455873194783 1.0525e-07 au
i 3.226725316246112 3.9851e-06 deg
node 316.9263070348535 8.0413e-05 deg
peri 17.73892520178775 8.0891e-05 deg
M 241.2672762415282 1.0856e-05 deg
tp 2459124.265035851623
(2020-Oct-01.76503585)
4.9677e-05 TDB
period 1588.06609448417
4.35
1.054e-05
2.886e-08
d
yr
n .226690816742696 1.5045e-09 deg/d
Q 3.278289085438303 1.4505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      17579 days (48.13 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:12  

Additional Information
 Earth MOID = 1.03889 au 
 Jupiter MOID = 2.10277 au 
 T_jup = 3.344 
[ 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 14.2   n/a MPO384877  
diameter diameter 8.511 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13865 (1999 XA170)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA170 = 1977 UZ1 = 1981 ST2 = 1981 SZ5 = 1994 RY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-20 02:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin