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100127 (1993 QA8)
Classification: Main-belt Asteroid          SPK-ID: 2100127
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864947073105738 4.9431e-08  
a 2.479764635072881 1.4399e-08 au
q 2.017301655255852 1.2768e-07 au
i 3.585908659853308 5.7776e-06 deg
node 118.0312353491267 9.2695e-05 deg
peri 193.4257864807361 9.4206e-05 deg
M 328.3924401577294 1.9452e-05 deg
tp 2459125.728329718554
(2020-Oct-03.22832972)
7.7495e-05 TDB
period 1426.310633394374
3.91
1.2423e-05
3.401e-08
d
yr
n .2523994363999529 2.1984e-09 deg/d
Q 2.94222761488991 1.7084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9841 days (26.94 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:53  

Additional Information
 Earth MOID = 1.00318 au 
 Jupiter MOID = 2.32762 au 
 T_jup = 3.452 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456204.5 (2012-Oct-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857766431063687 4.9759e-08  
q 2.01865383675053 1.2853e-07 au
tp 2456270.042820981758
(2012-Dec-08.54282098)
7.1558e-05 TDB
node 118.0665505779597 9.2652e-05 deg
peri 192.7002674202053 9.4178e-05 deg
i 3.58531344056109 5.7866e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9841 days (26.94 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:53  

Additional Information
 Jupiter MOID = 2.32762 au 
 T_jup = 3.452 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.475930116738691E-15 -6.372633689422942E-15 -1.207909078294729E-12 -2.452654621632401E-14 -2.731363624593368E-13 -1.051206157319604E-16
q -6.372633689422942E-15 1.652003557893104E-14 3.095056816782236E-12 6.224532045440689E-14 6.989121013741821E-13 5.837989608549693E-16
tp -1.207909078294729E-12 3.095056816782236E-12 5.120490755864297E-9 3.395230294884028E-11 1.246053735863083E-9 -1.709459622595861E-12
node -2.452654621632401E-14 6.224532045440689E-14 3.395230294884028E-11 8.584324299137879E-9 -8.559019450802684E-9 -1.534046173550339E-10
peri -2.731363624593368E-13 6.989121013741821E-13 1.246053735863083E-9 -8.559019450802684E-9 8.869576420811988E-9 1.526659152214527E-10
i -1.051206157319604E-16 5.837989608549693E-16 -1.709459622595861E-12 -1.534046173550339E-10 1.526659152214527E-10 3.348445040574825E-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 16.2   n/a MPO432530  

100127 (1993 QA8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1993 QA8 = 2001 TR52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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