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108479 (2001 KE60)
Classification: Main-belt Asteroid          SPK-ID: 2108479
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776979816224827 5.6712e-08  
a 2.270549327236224 1.0198e-08 au
q 1.867077294612061 1.2435e-07 au
i 8.207224088914966 6.6166e-06 deg
node 52.13735481455222 2.8711e-05 deg
peri 286.1298672199547 3.4946e-05 deg
M 112.1463089933122 2.1173e-05 deg
tp 2458611.206347503672
(2019-May-07.70634750)
7.187e-05 TDB
period 1249.668545997671
3.42
8.4192e-06
2.305e-08
d
yr
n .2880763872572263 1.9408e-09 deg/d
Q 2.674021359860387 1.201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      6863 days (18.79 yr)  
   first obs. used      2001-04-14  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:08:11  

Additional Information
 Earth MOID = .87883 au 
 Jupiter MOID = 2.74477 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457203.5 (2015-Jun-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786684085032751 5.6899e-08  
q 1.86444697020137 1.2491e-07 au
tp 2457361.859789123243
(2015-Dec-05.35978912)
6.6608e-05 TDB
node 52.15090935589114 2.8716e-05 deg
peri 286.1478770291747 3.4881e-05 deg
i 8.208358557886324 6.6177e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      6863 days (18.79 yr)  
   first obs. used      2001-04-14  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:08:11  

Additional Information
 Jupiter MOID = 2.74477 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.237467273658969E-15 -7.095928576882667E-15 2.222659469136835E-12 -2.739999872734312E-14 5.51050702807672E-13 -1.135832683049488E-14
q -7.095928576882667E-15 1.560156942225584E-14 -4.758850297201373E-12 5.81164522042215E-14 -1.173797258140847E-12 2.516597548194923E-14
tp 2.222659469136835E-12 -4.758850297201373E-12 4.436667075388511E-9 -3.172215300466121E-11 1.320013266332463E-9 -1.265662877049459E-11
node -2.739999872734312E-14 5.81164522042215E-14 -3.172215300466121E-11 8.245823137026024E-10 -8.239918416365397E-10 -5.587757755283355E-11
peri 5.51050702807672E-13 -1.173797258140847E-12 1.320013266332463E-9 -8.239918416365397E-10 1.216696342218196E-9 5.195469841300348E-11
i -1.135832683049488E-14 2.516597548194923E-14 -1.265662877049459E-11 -5.587757755283355E-11 5.195469841300348E-11 4.379384974177673E-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 15.8   n/a MPO395951  
rotation period rot_per 8.167 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.]

108479 (2001 KE60)          Discovered 2001-May-27 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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