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100622 (1997 TK26)
Classification: Main-belt Asteroid          SPK-ID: 2100622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .299790362262824 4.8755e-08  
a 2.554789218229057 1.7162e-08 au
q 1.788888032991011 1.2169e-07 au
i 11.440974866235 5.1361e-06 deg
node 217.0066329886693 2.5166e-05 deg
peri 169.1489794247359 2.8212e-05 deg
M 239.1128926154085 2.1156e-05 deg
tp 2459701.350975425200
(2022-May-01.85097542)
9.2304e-05 TDB
period 1491.526723188467
4.08
1.5029e-05
4.115e-08
d
yr
n .2413634260809089 2.4321e-09 deg/d
Q 3.320690403467103 2.2307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1997-10-13  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:00  

Additional Information
 Earth MOID = .793965 au 
 Jupiter MOID = 2.1408 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457136.5 (2015-Apr-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978050898824823 4.8565e-08  
q 1.796478568106234 1.2094e-07 au
tp 2456717.206802281755
(2014-Feb-28.70680228)
6.6277e-05 TDB
node 217.0746435466052 2.5214e-05 deg
peri 169.2619783594453 2.8304e-05 deg
i 11.42021275986582 5.1282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1997-10-13  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:00  

Additional Information
 Jupiter MOID = 2.1408 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.358539783492662E-15 -5.847575347678817E-15 1.325106554503888E-13 -5.798680203683382E-15 -2.147710654589967E-14 8.878527519607647E-16
q -5.847575347678817E-15 1.462705946758003E-14 3.155973423221699E-13 1.677188005966713E-14 1.793040449877362E-13 -4.564112294846387E-15
tp 1.325106554503888E-13 3.155973423221699E-13 4.392661910904842E-9 1.350193662896224E-11 8.847226330439992E-10 -1.201627084227631E-11
node -5.798680203683382E-15 1.677188005966713E-14 1.350193662896224E-11 6.357662120254903E-10 -6.200680050501344E-10 -5.079541471014319E-11
peri -2.147710654589967E-14 1.793040449877362E-13 8.847226330439992E-10 -6.200680050501344E-10 8.011122991150317E-10 4.734374113627023E-11
i 8.878527519607647E-16 -4.564112294846387E-15 -1.201627084227631E-11 -5.079541471014319E-11 4.734374113627023E-11 2.629875255596768E-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 16.05   n/a E2021B55  

100622 (1997 TK26)          Discovered 1997-Oct-13 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 TK26 = 2001 QW191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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