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 ]  
172357 (2002 XC12)
Classification: Main-belt Asteroid          SPK-ID: 2172357
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2881289792325591 6.2896e-08  
a 2.749344918893883 3.2879e-08 au
q 1.957178973854766 1.6896e-07 au
i 6.84562958621332 7.7303e-06 deg
node 305.0318014329786 5.8408e-05 deg
peri 44.20170141930318 6.0168e-05 deg
M 346.8581879756369 2.3752e-05 deg
tp 2459061.284803696051
(2020-Jul-30.78480370)
0.00011082 TDB
period 1665.107466916371
4.56
2.987e-05
8.178e-08
d
yr
n .2162022615072933 3.8783e-09 deg/d
Q 3.541510863933 4.2353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7406 days (20.28 yr)  
   first obs. used      1998-12-25  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55605  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:56:31  

Additional Information
 Earth MOID = .957327 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.275 
[ 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 15.6   n/a MPO475461  
diameter diameter 4.830 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172357 (2002 XC12)          Discovered 2002-Dec-03 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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-Feb-20 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin