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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020362065775699 6.4858e-08  
a 3.127259191447163 3.2839e-08 au
q 2.495439607422339 2.0722e-07 au
i 24.49297943574532 8.6106e-06 deg
node 131.0816322200172 1.2218e-05 deg
peri 219.5899137208237 2.0805e-05 deg
M 314.5792213017083 1.5804e-05 deg
tp 2458855.356854183522
(2020-Jan-06.85685418)
8.8857e-05 TDB
period 2019.96685515915
5.53
3.1818e-05
8.711e-08
d
yr
n .1782207460882501 2.8073e-09 deg/d
Q 3.759078775471985 3.9474e-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 = 1.52406 au 
 Jupiter MOID = 1.72979 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 ]
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