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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342360365901882 4.923e-08  
a 2.326524188582543 8.7515e-09 au
q 2.014220802476019 1.166e-07 au
i .5717746266649576 5.641e-06 deg
node 198.3714395809625 0.00039697 deg
peri 213.5482516714227 0.00039747 deg
M 300.9908664809251 1.7756e-05 deg
tp 2459212.959679487241
(2020-Dec-29.45967949)
6.4116e-05 TDB
period 1296.163492905423
3.55
7.3135e-06
2.002e-08
d
yr
n .2777427399941961 1.5671e-09 deg/d
Q 2.638827574689067 9.9263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      9189 days (25.16 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:28  

Additional Information
 Earth MOID = 1.02506 au 
 Jupiter MOID = 2.69175 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355501523989532 4.9505e-08  
q 2.010828763035483 1.1746e-07 au
tp 2456619.150489762788
(2013-Nov-22.65048976)
6.1862e-05 TDB
node 198.4229713303331 0.00039709 deg
peri 213.1696470293411 0.00039757 deg
i .5712954443425233 5.646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      9189 days (25.16 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:28  

Additional Information
 Jupiter MOID = 2.69175 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.450790055340072E-15 -5.803864767491155E-15 -9.470980874865868E-13 1.067066778421576E-14 -3.230350871576054E-13 -1.595418763015409E-16
q -5.803864767491155E-15 1.379749078675902E-14 2.181641627319586E-12 -2.430881662280384E-14 7.521649854670858E-13 4.120471181824497E-16
tp -9.470980874865868E-13 2.181641627319586E-12 3.826914110815906E-9 -1.171795917576987E-11 1.211926278759554E-9 -2.631349680537221E-13
node 1.067066778421576E-14 -2.430881662280384E-14 -1.171795917576987E-11 1.576835980431122E-7 -1.576786847594285E-7 1.387498745134846E-10
peri -3.230350871576054E-13 7.521649854670858E-13 1.211926278759554E-9 -1.576786847594285E-7 1.580622673171253E-7 -1.388167212576403E-10
i -1.595418763015409E-16 4.120471181824497E-16 -2.631349680537221E-13 1.387498745134846E-10 -1.388167212576403E-10 3.187714413783333E-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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