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27447 Ichunlin (2000 GH5)
Classification: Main-belt Asteroid          SPK-ID: 2027447
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05421474859741708 4.1191e-08  
a 2.381743665565085 9.5583e-09 au
q 2.252618031512983 9.7994e-08 au
i 5.926583097898606 4.6533e-06 deg
node 339.1711816676881 3.8964e-05 deg
peri 159.3055569147348 5.5194e-05 deg
M 223.6005868911147 3.8772e-05 deg
tp 2459509.187371417446
(2021-Oct-21.68737142)
0.00014479 TDB
period 1342.582416861964
3.68
8.082e-06
2.213e-08
d
yr
n .2681399633114762 1.6141e-09 deg/d
Q 2.510869299617186 1.0076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      14560 days (39.86 yr)  
   first obs. used      1979-08-26  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:50:29  

Additional Information
 Earth MOID = 1.26628 au 
 Jupiter MOID = 2.48631 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456331.5 (2013-Feb-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05391819425920171 4.099e-08  
q 2.253374074244217 9.7473e-08 au
tp 2456822.762562890518
(2014-Jun-14.26256289)
0.00014597 TDB
node 339.3097525878088 3.9006e-05 deg
peri 159.2351410415795 5.553e-05 deg
i 5.923513970522431 4.6509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      14560 days (39.86 yr)  
   first obs. used      1979-08-26  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:50:29  

Additional Information
 Jupiter MOID = 2.48631 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.680153075794205E-15 -3.978245855489342E-15 8.09104897408141E-13 -1.626732504325114E-14 2.068277149729834E-13 -1.490013632050126E-15
q -3.978245855489342E-15 9.500941415968851E-15 -1.98036376748606E-12 3.834874331583537E-14 -5.153584296950564E-13 3.676362978071415E-15
tp 8.09104897408141E-13 -1.98036376748606E-12 2.130666903856835E-8 -6.803506087453263E-13 5.781796845755719E-9 -1.036912126293577E-11
node -1.626732504325114E-14 3.834874331583537E-14 -6.803506087453263E-13 1.521493211079726E-9 -1.512654164951129E-9 1.648465250461923E-11
peri 2.068277149729834E-13 -5.153584296950564E-13 5.781796845755719E-9 -1.512654164951129E-9 3.083528142724014E-9 -1.921440935651828E-11
i -1.490013632050126E-15 3.676362978071415E-15 -1.036912126293577E-11 1.648465250461923E-11 -1.921440935651828E-11 2.163122734376091E-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 14.4   n/a MPO279801  
diameter diameter 3.321 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27447 Ichunlin           Discovered 2000 Apr. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
I-Chun Florence Lin (b. 1997) is a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students, for her physical sciences project. She attends the Schimelpfenig Middle School, Plano, Texas.
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 GH5 = 1979 QD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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