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27493 Derikesibill (2000 GU105)
Classification: Main-belt Asteroid          SPK-ID: 2027493
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 .03145899816971642 4.4808e-08  
a 2.727971528575274 1.2135e-08 au
q 2.642152277250786 1.2638e-07 au
i 3.986699737478824 4.2038e-06 deg
node 252.2520944445035 5.9526e-05 deg
peri 167.3448167753169 9.1427e-05 deg
M 310.6214932813137 6.7482e-05 deg
tp 2459226.232259213341
(2021-Jan-11.73225921)
0.00030821 TDB
period 1645.72844982471
4.51
1.0981e-05
3.006e-08
d
yr
n .2187481173083836 1.4596e-09 deg/d
Q 2.813790779899762 1.2517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:53:11  

Additional Information
 Earth MOID = 1.65449 au 
 Jupiter MOID = 2.29988 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03206987848569198 4.4436e-08  
q 2.641823743199349 1.2525e-07 au
tp 2457558.883878116182
(2016-Jun-19.38387812)
0.00030616 TDB
node 252.3138178876865 5.9621e-05 deg
peri 162.8575079901253 9.0885e-05 deg
i 3.981916431076493 4.2028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:53:11  

Additional Information
 Jupiter MOID = 2.29988 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.974534791971484E-15 -5.543437421186613E-15 1.084644698188153E-12 -2.469072461527001E-14 3.390160684700995E-13 -7.927436138338121E-16
q -5.543437421186613E-15 1.568810673997726E-14 -3.714332073226974E-12 7.040377142323362E-14 -1.109101261928655E-12 2.205907762791287E-15
tp 1.084644698188153E-12 -3.714332073226974E-12 9.37357494561264E-8 -3.426353693982547E-11 2.101115206150477E-8 5.680455183544446E-12
node -2.469072461527001E-14 7.040377142323362E-14 -3.426353693982547E-11 3.554635913392824E-9 -3.55436215040656E-9 -4.954186133439149E-11
peri 3.390160684700995E-13 -1.109101261928655E-12 2.101115206150477E-8 -3.55436215040656E-9 8.260160527505594E-9 5.065520702033953E-11
i -7.927436138338121E-16 2.205907762791287E-15 5.680455183544446E-12 -4.954186133439149E-11 5.065520702033953E-11 1.766366607750984E-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 MPO439291  
diameter diameter 6.911 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27493 Derikesibill           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Derik Esibill mentored a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students. He teaches at the Kailua Intermediate School, Kailua, Hawaii.
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 GU105 = 1991 GU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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