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JPL Small-Body Database Browser
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266590 (2008 HE65)
Classification: Main-belt Asteroid          SPK-ID: 2266590
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09736892713135202 6.9824e-08  
a 2.993980524148242 3.8851e-08 au
q 2.702459852659764 2.1588e-07 au
i 3.419326591657305 7.9098e-06 deg
node 107.9371167959597 9.4819e-05 deg
peri 230.1054757662069 0.00010068 deg
M 317.7757101302329 3.1201e-05 deg
tp 2458822.438035135405
(2019-Dec-04.93803514)
0.0001637 TDB
period 1892.22111005715
5.18
3.6831e-05
1.008e-07
d
yr
n .1902526074181294 3.7032e-09 deg/d
Q 3.285501195636719 4.2634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2000-12-21  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:43  

Additional Information
 Earth MOID = 1.69381 au 
 Jupiter MOID = 2.04992 au 
 T_jup = 3.245 
[ 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 16.0   n/a MPO446349  

266590 (2008 HE65)          Discovered 2008-Apr-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 HE65 = 2005 YM225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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