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 ]  
249555 (2010 JN168)
Classification: Main-belt Asteroid          SPK-ID: 2249555
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05017022002382414 4.5413e-08  
a 3.014451614393752 4.0359e-08 au
q 2.863215913648445 1.3825e-07 au
i 4.825819116106262 6.2751e-06 deg
node 214.5518441382801 5.9665e-05 deg
peri 103.1721396940319 8.7362e-05 deg
M 177.3129660852531 6.3613e-05 deg
tp 2457658.938056242344
(2016-Sep-27.43805624)
0.00033458 TDB
period 1911.661099785456
5.23
3.8391e-05
1.051e-07
d
yr
n .1883178980000182 3.7819e-09 deg/d
Q 3.165687315139058 4.2384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      2001-10-11  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:34:59  

Additional Information
 Earth MOID = 1.85426 au 
 Jupiter MOID = 1.98771 au 
 T_jup = 3.241 
[ 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 15.8   n/a MPO427417  
diameter diameter 3.884 km 0.654 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.057   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249555 (2010 JN168)          Discovered 2010-May-12 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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 2019-Dec-10 19:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin