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JPL Small-Body Database Browser
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390826 (2004 OB11)
Classification: Main-belt Asteroid          SPK-ID: 2390826
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 .2739490360155107 8.5095e-08  
a 3.167509907714403 8.4179e-08 au
q 2.299773621926462 2.5643e-07 au
i 19.47385162600209 1.1488e-05 deg
node 337.8340716417703 2.3745e-05 deg
peri 312.9230469431354 5.0114e-05 deg
M 240.6108131686667 6.3566e-05 deg
tp 2459283.369779362714
(2021-Mar-09.86977936)
0.00038904 TDB
period 2059.090333849724
5.64
8.2083e-05
2.247e-07
d
yr
n .1748344859290051 6.9696e-09 deg/d
Q 4.035246193502343 1.0724e-07 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5321 days (14.57 yr)  
   first obs. used      2004-07-15  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:40:00  

Additional Information
 Earth MOID = 1.32773 au 
 Jupiter MOID = 1.51663 au 
 T_jup = 3.058 
[ 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 15.1   n/a E2014D19  
diameter diameter 4.920 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390826 (2004 OB11)          Discovered 2004-Jul-22 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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