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 ]  
215510 (2002 UN2)
Classification: Main-belt Asteroid          SPK-ID: 2215510
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575215090353109 5.9012e-08  
a 3.129553967532261 3.5297e-08 au
q 2.636581903959134 1.9879e-07 au
i 25.86821014544584 1.0744e-05 deg
node 337.9031116543796 1.1271e-05 deg
peri 59.56876477500784 3.5724e-05 deg
M 354.3838747175037 3.2547e-05 deg
tp 2458632.046877626797
(2019-May-28.54687763)
0.000183 TDB
period 2022.190634002166
5.54
3.4211e-05
9.366e-08
d
yr
n .1780247588663366 3.0118e-09 deg/d
Q 3.622526031105386 4.0857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      6242 days (17.09 yr)  
   first obs. used      2002-09-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:59:12  

Additional Information
 Earth MOID = 1.7188 au 
 Jupiter MOID = 2.07272 au 
 T_jup = 3.041 
[ 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 14.7   n/a MPO454548  
diameter diameter 6.906 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215510 (2002 UN2)          Discovered 2002-Oct-28 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 23:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin