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17447 Heindl (1990 HE)
Classification: Inner Main-belt Asteroid          SPK-ID: 2017447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152284514192707 1.0584e-08  
a 1.940714873063096 6.8114e-09 au
q 1.717089303593688 1.9655e-08 au
i 24.7981923254191 1.087e-06 deg
node 35.47582506839218 2.1126e-06 deg
peri 255.8313489351521 9.6838e-06 deg
M 49.67634678749381 1.0388e-05 deg
tp 2459064.233789809532
(2020-Aug-02.73378981)
2.8213e-05 TDB
period 987.5089220715111
2.70
5.1989e-06
1.423e-08
d
yr
n .364553668279597 1.9192e-09 deg/d
Q 2.164340442532503 7.5963e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      15776 days (43.19 yr)  
   first obs. used      1977-11-04  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:29  

Additional Information
 Earth MOID = .808061 au 
 Jupiter MOID = 2.99064 au 
 T_jup = 3.783 
[ 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 14.6   n/a MPO473998  
rotation period rot_per 2.569 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 137-140.]

17447 Heindl           Discovered 1990 Apr. 25 by E. F. Helin at Palomar.
Clifford J. Heindl (b. 1926) has guided the Earth and Space Sciences Division of the Jet Propulsion Laboratory since 1978 as its deputy manager. His exceptional insight, outstanding administrative skills, expert knowledge, dedication to duty and personal integrity have earned him the highest respect at JPL.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1990 HE = 1998 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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