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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 ]

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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 
[ show covariance matrix ]

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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