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(2018 SQ13)
Classification: TransNeptunian Object          SPK-ID: 3831868
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9809493573780902 5.4649e-05  
a 155.8767211121936 0.44831 au
q 2.969551706983503 2.2712e-05 au
i 90.96651037356546 0.00066211 deg
node 222.6182161557869 1.5025e-05 deg
peri 161.9805589530681 0.0005799 deg
M .3255718789110355 0.0014052 deg
tp 2458357.642515362189
(2018-Aug-27.14251536)
0.0021949 TDB
period 710837.4815530409
1946.17
3066.6
8.396
d
yr
n .0005064448757168381 2.1848e-06 deg/d
Q 308.7838905174036 0.88808 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      103 days  
   first obs. used      2018-09-21  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-18 10:04:29  

Additional Information
 Earth MOID = 2.01504 au 
 Jupiter MOID = 1.91123 au 
 T_jup = -0.002 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458421.5 (2018-Oct-30.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9812959180173748 5.4675e-05  
q 2.97051903145512 2.2711e-05 au
tp 2458357.776570955695
(2018-Aug-27.27657096)
0.0021936 TDB
node 222.6340308623488 1.5024e-05 deg
peri 162.0162899001547 0.0005793 deg
i 90.97594674743848 0.00066225 deg
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      103 days  
   first obs. used      2018-09-21  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-18 10:04:29  

Additional Information
 Jupiter MOID = 1.91123 au 
 T_jup = -0.002 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.989340572640555E-9 1.203398929107921E-9 6.900930249429987E-8 3.588726081466408E-10 1.58490472628159E-8 3.599035017270531E-8
q 1.203398929107921E-9 5.157970340476849E-10 3.74357020852213E-8 2.041106693399714E-10 9.096258092231893E-9 1.473037185498057E-8
tp 6.900930249429987E-8 3.74357020852213E-8 4.811905488772186E-6 2.746739895998294E-8 1.265385326741331E-6 8.91150115097118E-7
node 3.588726081466408E-10 2.041106693399714E-10 2.746739895998294E-8 2.257218877409297E-10 7.279275477140613E-9 4.65848758106377E-9
peri 1.58490472628159E-8 9.096258092231893E-9 1.265385326741331E-6 7.279275477140613E-9 3.355923453907336E-7 2.081235637848493E-7
i 3.599035017270531E-8 1.473037185498057E-8 8.91150115097118E-7 4.65848758106377E-9 2.081235637848493E-7 4.385806266583503E-7

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   .32545 MPO473504 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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