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22191 Achucarro (2113 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2022191
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0877896239968932 4.6463e-08  
a 2.664437324246861 1.5268e-08 au
q 2.430527373387941 1.2265e-07 au
i 3.524911479651354 5.1559e-06 deg
node 222.1365094106623 7.6401e-05 deg
peri 165.3908248670592 8.1168e-05 deg
M 294.071525257293 2.9763e-05 deg
tp 2459491.422437513691
(2021-Oct-03.92243751)
0.0001326 TDB
period 1588.571219244142
4.35
1.3655e-05
3.739e-08
d
yr
n .2266187348976973 1.9479e-09 deg/d
Q 2.898347275105781 1.6609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      21827 days (59.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:17  

Additional Information
 Earth MOID = 1.43398 au 
 Jupiter MOID = 2.49544 au 
 T_jup = 3.376 
[ 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 15.27   n/a E2021B10  
rotation period rot_per 6.701 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

22191 Achúcarro           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Joaquí Achúcarro (b. 1932) is a distinguished concert pianist, admired teacher and mentor, with a performance career spanning over 50 years in more than 50 countries.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 2113 P-L = 2001 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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