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22291 Heitifer (1989 CH5)
Classification: Main-belt Asteroid          SPK-ID: 2022291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146210784682335 2.726e-08  
a 3.192821272258948 2.0436e-08 au
q 2.82685665467631 9.3367e-08 au
i 17.83537086302354 8.7398e-07 deg
node 139.3888777529842 3.7964e-06 deg
peri 283.7527725568963 1.3699e-05 deg
M 277.2211848040926 1.3609e-05 deg
tp 2459679.656125629969
(2022-Apr-10.15612563)
8.0867e-05 TDB
period 2083.820658927682
5.71
2.0007e-05
5.478e-08
d
yr
n .1727595887187591 1.6587e-09 deg/d
Q 3.558785889841586 2.2779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1916  
   data-arc span      25876 days (70.84 yr)  
   first obs. used      1950-02-17  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:03:37  

Additional Information
 Earth MOID = 1.90544 au 
 Jupiter MOID = 1.79703 au 
 T_jup = 3.111 
[ 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 12.96   n/a E2021B10  
diameter diameter 13.964 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

22291 Heitifer           Discovered 1989 Feb. 2 by F. Borngen at Tautenburg.
Heinrich (b. 1998), Tibère (b. 1999) and Ferdinand (b. 2000) are the three grandsons of the discoverer, who wishes all the best for them in the future. This is the 333rd numbered minor planet discovered with the Tautenburg 1.34-m Schmidt telescope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1989 CH5 = 2000 AF241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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