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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09872689683464425 5.8776e-08  
a 2.611356873967769 1.6899e-08 au
q 2.353545713273114 1.4848e-07 au
i 9.817483726657644 5.1297e-06 deg
node 56.83212585077427 3.2444e-05 deg
peri 261.4632697159494 5.5014e-05 deg
M 208.7739069124827 5.2063e-05 deg
tp 2459647.973502380397
(2022-Mar-09.47350238)
0.00022642 TDB
period 1541.337583336555
4.22
1.4962e-05
4.096e-08
d
yr
n .2335633698236975 2.2672e-09 deg/d
Q 2.869168034662424 1.8567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:08:38  

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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