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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09842541018375818 5.8811e-08  
a 2.611949238144633 1.7401e-08 au
q 2.354867063001093 1.486e-07 au
i 9.818091613261497 5.8224e-06 deg
node 56.84103556255163 3.2876e-05 deg
peri 261.3926333666351 5.6382e-05 deg
M 115.449024992712 5.2499e-05 deg
tp 2458106.037575275735
(2017-Dec-18.53757528)
0.00022256 TDB
period 1541.86207213073
4.22
1.5408e-05
4.218e-08
d
yr
n .2334839195457404 2.3333e-09 deg/d
Q 2.869031413288174 1.9114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:08:46  

Additional Information
 Earth MOID = 1.36532 au 
 Jupiter MOID = 2.38023 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456665.5 (2014-Jan-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09956254764539557 5.8464e-08  
q 2.351045663897696 1.4772e-07 au
tp 2456559.939211697163
(2013-Sep-24.43921170)
0.0002133 TDB
node 56.962931569709 3.2919e-05 deg
peri 260.2798993499101 5.5984e-05 deg
i 9.813673636382148 5.8172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:08:46  

Additional Information
 Jupiter MOID = 2.38023 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.417984948921551E-15 -8.593732409365506E-15 7.101612982721842E-12 8.972201171428073E-15 1.474053731823213E-12 1.078008749198629E-14
q -8.593732409365506E-15 2.182224474093934E-14 -1.714223212914422E-11 -2.186433020598568E-14 -3.555629664950828E-12 -2.591998037872126E-14
tp 7.101612982721842E-12 -1.714223212914422E-11 4.54947831538166E-8 5.766463736246023E-11 9.697869699092044E-9 3.131604611590293E-11
node 8.972201171428073E-15 -2.186433020598568E-14 5.766463736246023E-11 1.083650751601394E-9 -1.054662864021901E-9 -4.961450481819708E-11
peri 1.474053731823213E-12 -3.555629664950828E-12 9.697869699092044E-9 -1.054662864021901E-9 3.134240213693435E-9 5.537544260494066E-11
i 1.078008749198629E-14 -2.591998037872126E-14 3.131604611590293E-11 -4.961450481819708E-11 5.537544260494066E-11 3.383975094181369E-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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