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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09887127998157338 5.7977e-08  
a 2.610855354413802 1.6692e-08 au
q 2.352716743676165 1.4668e-07 au
i 9.818078326539643 5.1297e-06 deg
node 56.82675730650001 3.2363e-05 deg
peri 261.55468075 5.4448e-05 deg
M 255.4072896062676 5.147e-05 deg
tp 2459648.183987714764
(2022-Mar-09.68398771)		 0.00022267 TDB
period 1540.893576336396
4.22		 1.4777e-05
4.046e-08		 d
yr
n .2336306708837935 2.2404e-09 deg/d
Q 2.868993965151439 1.8342e-08 au
   Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8475 days (23.20 yr)  
   first obs. used      1997-11-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:16  

Additional Information
 Earth MOID = 1.36213 au 
 Jupiter MOID = 2.38151 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 15.01   n/a E2021B55  

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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