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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09665604489799109 4.8134e-08  
a 2.754418023535543 1.5875e-08 au
q 2.488186871384856 1.2851e-07 au
i 8.521116965972716 4.4758e-06 deg
node 210.4806580765491 2.8926e-05 deg
peri 309.953109656521 3.4595e-05 deg
M 207.6105128099517 2.1159e-05 deg
tp 2459707.298649427755
(2022-May-07.79864943)
0.00010105 TDB
period 1669.718288878186
4.57
1.4435e-05
3.952e-08
d
yr
n .2156052325700217 1.8639e-09 deg/d
Q 3.02064917568623 1.7409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      12511 days (34.25 yr)  
   first obs. used      1986-04-29  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:29:33  

Additional Information
 Earth MOID = 1.50525 au 
 Jupiter MOID = 1.99278 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-August); 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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