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100126 (1993 QK7)
Classification: Main-belt Asteroid          SPK-ID: 2100126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534807363195776 5.6198e-08  
a 2.653320946554957 1.5768e-08 au
q 2.246087293985544 1.4682e-07 au
i 13.19667904686019 7.4452e-06 deg
node 346.2174555305883 2.1324e-05 deg
peri 301.4998892340461 3.3123e-05 deg
M 156.2735528895902 2.6621e-05 deg
tp 2458515.223103171338
(2019-Jan-31.72310317)
0.00011608 TDB
period 1578.640008476774
4.32
1.4072e-05
3.853e-08
d
yr
n .2280443914172448 2.0328e-09 deg/d
Q 3.06055459912437 1.8188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      10016 days (27.42 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:43  

Additional Information
 Earth MOID = 1.25988 au 
 Jupiter MOID = 2.28534 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457411.5 (2016-Jan-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542481217556563 5.6062e-08  
q 2.243179859980644 1.4655e-07 au
tp 2456938.759933651802
(2014-Oct-08.25993365)
0.00011561 TDB
node 346.2829672906913 2.1303e-05 deg
peri 301.6871078013532 3.3061e-05 deg
i 13.20516757506402 7.4504e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      10016 days (27.42 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:43  

Additional Information
 Jupiter MOID = 2.28534 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.14292574003378E-15 -8.18323247429664E-15 2.686088688038843E-12 1.726880283905373E-14 4.207112863827816E-13 1.768535408082886E-15
q -8.18323247429664E-15 2.147796091782855E-14 -7.221613063099E-12 -4.539916838610328E-14 -1.138665422585449E-12 -2.498917097992657E-15
tp 2.686088688038843E-12 -7.221613063099E-12 1.336544670164848E-8 3.22894771619316E-11 2.921650767706351E-9 -1.956823179423839E-11
node 1.726880283905373E-14 -4.539916838610328E-14 3.22894771619316E-11 4.538356967902039E-10 -4.341670920196795E-10 5.37170000848643E-11
peri 4.207112863827816E-13 -1.138665422585449E-12 2.921650767706351E-9 -4.341670920196795E-10 1.09304328509743E-9 -5.669971111676855E-11
i 1.768535408082886E-15 -2.498917097992657E-15 -1.956823179423839E-11 5.37170000848643E-11 -5.669971111676855E-11 5.550911206613287E-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 15.3   n/a MPO493562  
diameter diameter 2.786 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100126 (1993 QK7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1993 QK7 = 2002 TE220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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