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
JPL Small-Body Database Browser
Search: [ help ]  
295446 (2008 OB3)
Classification: Main-belt Asteroid          SPK-ID: 2295446
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017576525769169 6.4864e-08  
a 3.125849285859551 3.2539e-08 au
q 2.495185271635296 2.0705e-07 au
i 24.49790465190728 8.6121e-06 deg
node 131.0791473506336 1.2216e-05 deg
peri 219.7022131896782 2.0842e-05 deg
M 25.81072992520878 1.5915e-05 deg
tp 2458855.773431710932
(2020-Jan-07.27343171)
8.9076e-05 TDB
period 2018.600974673641
5.53
3.1519e-05
8.629e-08
d
yr
n .1783413386383623 2.7847e-09 deg/d
Q 3.756513300083806 3.9104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1997-07-02  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:09  

Additional Information
 Earth MOID = 1.5249 au 
 Jupiter MOID = 1.73616 au 
 T_jup = 3.046 
[ 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 15.2   n/a MPO450204  
diameter diameter 6.386 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295446 (2008 OB3)          Discovered 2008-Jul-28 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 OB3 = 1997 NQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 15:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin