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308288 (2005 JB38)
Classification: Main-belt Asteroid          SPK-ID: 2308288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648984654069991 4.6378e-08  
a 2.587712027041611 2.2185e-08 au
q 2.161002284867215 1.2439e-07 au
i 11.66369457995873 5.3526e-06 deg
node 114.7557983393454 2.5923e-05 deg
peri 91.86908186246964 3.1601e-05 deg
M 239.464996041992 2.0275e-05 deg
tp 2459509.576475941597
(2021-Oct-22.07647594)
8.9246e-05 TDB
period 1520.45070163039
4.16
1.9553e-05
5.353e-08
d
yr
n .2367718990257096 3.0448e-09 deg/d
Q 3.014421769216008 2.5843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      5320 days (14.57 yr)  
   first obs. used      2005-05-06  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:56:36  

Additional Information
 Earth MOID = 1.19437 au 
 Jupiter MOID = 2.0666 au 
 T_jup = 3.373 
[ 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 16.7   n/a MPO455271  

308288 (2005 JB38)          Discovered 2005-May-06 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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