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JPL Small-Body Database Browser
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27564 Astreichelt (2000 KE77)
Classification: Main-belt Asteroid          SPK-ID: 2027564
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09619339867755505 4.9047e-08  
a 2.75588821952337 1.6342e-08 au
q 2.490789965311981 1.3078e-07 au
i 8.520449358097469 4.4752e-06 deg
node 210.4990528997525 2.9263e-05 deg
peri 310.1912256116833 3.4918e-05 deg
M 121.1120928324622 2.0897e-05 deg
tp 2458038.319428739194
(2017-Oct-11.81942874)
9.5073e-05 TDB
period 1671.05530852196
4.58
1.4864e-05
4.07e-08
d
yr
n .2154327257536546 1.9162e-09 deg/d
Q 3.020986473734758 1.7914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      12228 days (33.48 yr)  
   first obs. used      1986-04-29  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:00:56  

Additional Information
 Earth MOID = 1.50816 au 
 Jupiter MOID = 1.99316 au 
 T_jup = 3.321 
[ 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 14.2   n/a MPO347728  
diameter diameter 3.395 km 0.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.932 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.351   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27564 Astreichelt           Discovered 2000 May 27 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Astrid Reichelt mentored a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Saint John Fisher Parish School, Rancho Palos Verdes, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2000 KE77 = 1986 HG = 1997 TJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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