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74055 (1998 KY6)
Classification: Main-belt Asteroid          SPK-ID: 2074055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169886424344622 4.6947e-08  
a 2.451361226675998 1.2882e-08 au
q 1.919443681983095 1.1873e-07 au
i 10.52117472536606 5.7462e-06 deg
node 226.34765356421 2.7819e-05 deg
peri 8.63424138347168 3.0521e-05 deg
M 266.4733094550875 1.4905e-05 deg
tp 2459364.702113719562
(2021-May-30.20211372)
5.9421e-05 TDB
period 1401.875338207126
3.84
1.105e-05
3.025e-08
d
yr
n .2567988680508554 2.0242e-09 deg/d
Q 2.983278771368901 1.5677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-04-25  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:10:33  

Additional Information
 Earth MOID = .909103 au 
 Jupiter MOID = 2.01936 au 
 T_jup = 3.440 
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Orbital Elements at Epoch 2457037.5 (2015-Jan-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172463331286299 4.6841e-08  
q 1.918423326836229 1.1845e-07 au
tp 2456561.841836757360
(2013-Sep-26.34183676)
5.2108e-05 TDB
node 226.3681867093396 2.7831e-05 deg
peri 8.669004261905522 3.0545e-05 deg
i 10.51938445067884 5.7468e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-04-25  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:10:33  

Additional Information
 Jupiter MOID = 2.01936 au 
 T_jup = 3.440 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.194080233463249E-15 -5.530259346625892E-15 -1.384320214206023E-12 -2.992703368848902E-14 -3.348942139875059E-13 -7.313293240002627E-16
q -5.530259346625892E-15 1.402975008196993E-14 3.467656659695291E-12 7.475401117802826E-14 8.468850861566107E-13 2.321613745377548E-15
tp -1.384320214206023E-12 3.467656659695291E-12 2.715271992494649E-9 3.456950146444251E-11 6.854796124774275E-10 -4.897919720136218E-13
node -2.992703368848902E-14 7.475401117802826E-14 3.456950146444251E-11 7.745803632870273E-10 -7.522793468909061E-10 -8.287915256453E-11
peri -3.348942139875059E-13 8.468850861566107E-13 6.854796124774275E-10 -7.522793468909061E-10 9.329824561674454E-10 8.140280698821437E-11
i -7.313293240002627E-16 2.321613745377548E-15 -4.897919720136218E-13 -8.287915256453E-11 8.140280698821437E-11 3.30262465479169E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO412633  
diameter diameter 3.626 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74055 (1998 KY6)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KY6 = 2002 LU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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