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JPL Small-Body Database Browser
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154587 Ennico (2003 KL22)
Classification: Main-belt Asteroid          SPK-ID: 2154587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04766758402978664 4.7406e-08  
a 2.860498181405863 3.0718e-08 au
q 2.724145143976648 1.4579e-07 au
i 3.116238276847862 6.1828e-06 deg
node 110.71787620605 0.0001027 deg
peri 310.7374097332224 0.0001271 deg
M 340.5408025868708 7.5754e-05 deg
tp 2459096.017591722770
(2020-Sep-03.51759172)
0.00037236 TDB
period 1767.099243106331
4.84
2.8464e-05
7.793e-08
d
yr
n .2037237022223873 3.2815e-09 deg/d
Q 2.996851218835079 3.2182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6457 days (17.68 yr)  
   first obs. used      2002-01-20  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:58:06  

Additional Information
 Earth MOID = 1.73822 au 
 Jupiter MOID = 2.15771 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO454004  

154587 Ennico           Discovered 2003 May 30 by M. W. Buie at Cerro Tololo.
Kimberly Ennico Smith (b. 1972), a Research Astrophysicist at NASA Ames Research Center, served as a Deputy Project Scientist for the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

Alternate Designations
 2003 KL22 = 2005 UO466 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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