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136689 (1995 SF38)
Classification: Main-belt Asteroid          SPK-ID: 2136689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13423603738878 4.9245e-08  
a 2.326524189325893 8.8285e-09 au
q 2.014220801261641 1.1662e-07 au
i .5717746599189328 5.649e-06 deg
node 198.3714361940573 0.00040164 deg
peri 213.5482558867579 0.00040213 deg
M 300.9908652508942 1.7856e-05 deg
tp 2459212.959684017735
(2020-Dec-29.45968402)
6.4493e-05 TDB
period 1296.163493526631
3.55
7.3779e-06
2.02e-08
d
yr
n .2777427398610833 1.5809e-09 deg/d
Q 2.638827577390145 1.0014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      9167 days (25.10 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:42  

Additional Information
 Earth MOID = 1.02506 au 
 Jupiter MOID = 2.69175 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355448819154746 4.9519e-08  
q 2.010870491510608 1.1748e-07 au
tp 2456619.183027869450
(2013-Nov-22.68302787)
6.207e-05 TDB
node 198.4228728682597 0.00040176 deg
peri 213.1796927142111 0.00040223 deg
i .5712906531931502 5.6539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      9167 days (25.10 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:42  

Additional Information
 Jupiter MOID = 2.69175 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.452099465217754E-15 -5.805890828967138E-15 -9.407863935783875E-13 9.205554484099896E-15 -3.199245586062775E-13 -1.524998863133356E-16
q -5.805890828967138E-15 1.380085209532914E-14 2.171067148758505E-12 -2.090290691425892E-14 7.458885623072143E-13 3.949722350147452E-16
tp -9.407863935783875E-13 2.171067148758505E-12 3.852624929613716E-9 -1.036674868426882E-11 1.217019513282947E-9 -2.709201584072559E-13
node 9.205554484099896E-15 -2.090290691425892E-14 -1.036674868426882E-11 1.614117970317291E-7 -1.614062749554094E-7 1.206307403037151E-10
peri -3.199245586062775E-13 7.458885623072143E-13 1.217019513282947E-9 -1.614062749554094E-7 1.617908428248294E-7 -1.20700851400263E-10
i -1.524998863133356E-16 3.949722350147452E-16 -2.709201584072559E-13 1.206307403037151E-10 -1.20700851400263E-10 3.19663442052121E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO436673  

136689 (1995 SF38)          Discovered 1995-Sep-24 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1995 SF38 = 1999 YL25 = 2004 FT131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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