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109982 (2001 SQ55)
Classification: Main-belt Asteroid          SPK-ID: 2109982
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09872689877692149 5.8863e-08  
a 2.611356875291398 1.6985e-08 au
q 2.353545709394086 1.4864e-07 au
i 9.817482624544857 5.1874e-06 deg
node 56.83212494689816 3.245e-05 deg
peri 261.4632687126273 5.5037e-05 deg
M 208.7739081121163 5.2069e-05 deg
tp 2459647.973497736455
(2022-Mar-09.47349774)
0.00022644 TDB
period 1541.337584508452
4.22
1.5038e-05
4.117e-08
d
yr
n .2335633696461166 2.2787e-09 deg/d
Q 2.86916804118871 1.8661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Earth MOID = 1.36483 au 
 Jupiter MOID = 2.38163 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456941.5 (2014-Oct-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09942158604700921 5.8427e-08  
q 2.351104638339258 1.4757e-07 au
tp 2456559.765541004920
(2013-Sep-24.26554100)
0.00020946 TDB
node 56.96050398373176 3.2483e-05 deg
peri 260.2404677602912 5.4853e-05 deg
i 9.813998477944182 5.1833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Jupiter MOID = 2.38163 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.413663198247139E-15 -8.58190409569904E-15 7.12442249191427E-12 7.937232537102981E-15 1.481275425308293E-12 1.114304322380881E-14
q -8.58190409569904E-15 2.177712931238503E-14 -1.705721052704784E-11 -1.835470000917689E-14 -3.539221557250717E-12 -2.699689957907108E-14
tp 7.12442249191427E-12 -1.705721052704784E-11 4.387283469319108E-8 5.371067983051867E-11 9.29974167560847E-9 3.16036848599132E-11
node 7.937232537102981E-15 -1.835470000917689E-14 5.371067983051867E-11 1.055160999237581E-9 -1.027587266752642E-9 -3.661686658332947E-11
peri 1.481275425308293E-12 -3.539221557250717E-12 9.29974167560847E-9 -1.027587266752642E-9 3.008883722438137E-9 4.266948269731942E-11
i 1.114304322380881E-14 -2.699689957907108E-14 3.16036848599132E-11 -3.661686658332947E-11 4.266948269731942E-11 2.686675727783607E-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 15.0   n/a MPO453561  

109982 (2001 SQ55)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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