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136986 (1998 SX15)
Classification: Main-belt Asteroid          SPK-ID: 2136986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220002986227592 3.8882e-08  
a 2.526863799809618 1.6668e-08 au
q 2.218585661653804 1.0136e-07 au
i 4.36714155110901 1.084e-05 deg
node 178.6263175190082 5.3572e-05 deg
peri 96.89552747480282 7.6005e-05 deg
M 210.8134284036381 5.0802e-05 deg
tp 2459608.492763688718
(2022-Jan-28.99276369)
0.00020794 TDB
period 1467.138714871279
4.02
1.4517e-05
3.975e-08
d
yr
n .245375571069696 2.4279e-09 deg/d
Q 2.835141937965431 1.8702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7341 days (20.10 yr)  
   first obs. used      1998-08-30  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:37:55  

Additional Information
 Earth MOID = 1.20754 au 
 Jupiter MOID = 2.27058 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456807.5 (2014-May-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .123077003621084 3.9126e-08  
q 2.21549294497234 1.0209e-07 au
tp 2456675.553715221157
(2014-Jan-18.05371522)
0.00020347 TDB
node 178.6528796004796 5.3564e-05 deg
peri 97.07183500014457 7.5737e-05 deg
i 4.366915276505272 1.0845e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7341 days (20.10 yr)  
   first obs. used      1998-08-30  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:37:55  

Additional Information
 Jupiter MOID = 2.27058 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.530874446918555E-15 -3.954235199464949E-15 3.263027564912397E-12 -1.908314677811214E-14 8.436211123480454E-13 1.242314400905574E-15
q -3.954235199464949E-15 1.042176454370561E-14 -8.215720975471528E-12 4.687423342198915E-14 -2.119903379899583E-12 -2.953634889032735E-15
tp 3.263027564912397E-12 -8.215720975471528E-12 4.139910421492316E-8 -2.032951160664154E-10 1.090136969929952E-8 -3.36966226068274E-12
node -1.908314677811214E-14 4.687423342198915E-14 -2.032951160664154E-10 2.869154199974792E-9 -2.912773515281421E-9 -6.786597962783363E-11
peri 8.436211123480454E-13 -2.119903379899583E-12 1.090136969929952E-8 -2.912773515281421E-9 5.736073246507587E-9 6.681841660391832E-11
i 1.242314400905574E-15 -2.953634889032735E-15 -3.36966226068274E-12 -6.786597962783363E-11 6.681841660391832E-11 1.176116837538859E-10

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 17.0   n/a MPO453851  

136986 (1998 SX15)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 SX15 = 2002 RW164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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