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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09664805911058745 3.9812e-08  
a 2.754749483149399 1.3388e-08 au
q 2.488508292267116 1.0977e-07 au
i 8.520565328955929 4.3682e-06 deg
node 210.4813361374454 2.352e-05 deg
peri 309.8560081310382 3.0275e-05 deg
M 250.8377939330135 2.1156e-05 deg
tp 2459706.897316099267
(2022-May-07.39731610)
9.9945e-05 TDB
period 1670.019692382065
4.57
1.2174e-05
3.333e-08
d
yr
n .2155663203506942 1.5715e-09 deg/d
Q 3.020990674031682 1.4682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      12676 days (34.70 yr)  
   first obs. used      1986-04-29  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:25:38  

Additional Information
 Earth MOID = 1.50532 au 
 Jupiter MOID = 1.99163 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457355.5 (2015-Nov-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0947219017256906 4.0074e-08  
q 2.495344045488014 1.1032e-07 au
tp 2458037.944426572427
(2017-Oct-11.44442657)
9.5959e-05 TDB
node 210.5283241005178 2.3487e-05 deg
peri 310.1695478012479 3.0426e-05 deg
i 8.523487914384058 4.3717e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      12676 days (34.70 yr)  
   first obs. used      1986-04-29  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:25:38  

Additional Information
 Jupiter MOID = 1.99163 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.605899961076239E-15 -4.393861868859986E-15 7.430366019123154E-13 -4.105419351825416E-15 1.819813359821656E-13 1.751189723474599E-15
q -4.393861868859986E-15 1.217017010401494E-14 -1.586400518393892E-12 9.668609110099161E-15 -4.200595963757055E-13 -4.669873709319098E-15
tp 7.430366019123154E-13 -1.586400518393892E-12 9.208041762669212E-9 -4.069092215743661E-12 1.865581498943392E-9 6.880864876633313E-13
node -4.105419351825416E-15 9.668609110099161E-15 -4.069092215743661E-12 5.516467102288184E-10 -5.460881652127273E-10 -3.344526278613648E-11
peri 1.819813359821656E-13 -4.200595963757055E-13 1.865581498943392E-9 -5.460881652127273E-10 9.257395239716557E-10 3.32158976558018E-11
i 1.751189723474599E-15 -4.669873709319098E-15 6.880864876633313E-13 -3.344526278613648E-11 3.32158976558018E-11 1.911154835524503E-11

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 14.28   n/a E2021B10  
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. 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.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2152-Dec-09 10:27 00:03 Jupiter 1.99743682938339 1.99743625548158 1.99743740328939 3.24368173158802 3.11020284474021 2507404.935139496 2.85933719471446 192.217133679853 15.016582690608 -80.950794779417 3030909.2983189 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 03:25:41 2021-Feb-24 03:25

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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