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JPL Small-Body Database Browser
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266578 (2008 HS11)
Classification: Main-belt Asteroid          SPK-ID: 2266578
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392563304315175 1.236e-07  
a 2.609664499151391 3.3853e-08 au
q 2.246252197342165 3.434e-07 au
i 8.456496224665948 5.8555e-06 deg
node 42.12213370799513 4.1415e-05 deg
peri 164.7304083890876 4.7507e-05 deg
M 223.0844195959261 3.2932e-05 deg
tp 2459186.133368696152
(2020-Dec-02.63336870)
0.00014961 TDB
period 1539.839455147512
4.22
2.9962e-05
8.203e-08
d
yr
n .2337906064145583 4.5491e-09 deg/d
Q 2.973076800960618 3.8567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6600 days (18.07 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:01  

Additional Information
 Earth MOID = 1.24269 au 
 Jupiter MOID = 1.98965 au 
 T_jup = 3.381 
[ 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 16.4   n/a MPO460147  

266578 (2008 HS11)          Discovered 2008-Apr-24 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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