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175688 (1995 SF13)
Classification: Main-belt Asteroid          SPK-ID: 2175688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09332400034581742 6.8738e-08  
a 2.993652914235553 2.9679e-08 au
q 2.714273248632177 2.0289e-07 au
i 1.180315463298343 7.3189e-06 deg
node 171.4473137105809 0.00031122 deg
peri 189.3484050370173 0.00031333 deg
M 311.5675841861067 4.0012e-05 deg
tp 2459455.027216569118
(2021-Aug-28.52721657)
0.00021251 TDB
period 1891.910540184074
5.18
2.8135e-05
7.703e-08
d
yr
n .1902838386665861 2.8297e-09 deg/d
Q 3.273032579838928 3.2449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      8661 days (23.71 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:24  

Additional Information
 Earth MOID = 1.70936 au 
 Jupiter MOID = 2.16016 au 
 T_jup = 3.248 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09471821579534447 6.8267e-08  
q 2.704851338349423 2.0075e-07 au
tp 2455690.176474295014
(2011-May-08.67647430)
0.00018429 TDB
node 171.6107525531415 0.00031182 deg
peri 191.2922364224435 0.00031389 deg
i 1.179453985230464 7.3191e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      8661 days (23.71 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:24  

Additional Information
 Jupiter MOID = 2.16016 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.660367008088402E-15 -1.359251262628294E-14 1.099188112740374E-12 -6.44899203134516E-15 1.367783608542793E-13 -2.806477772418692E-16
q -1.359251262628294E-14 4.03005261838851E-14 -1.674059272564682E-12 1.851296400127781E-14 -5.182943099969978E-14 9.987951988595401E-16
tp 1.099188112740374E-12 -1.674059272564682E-12 3.396193583143297E-8 9.016064475061963E-12 6.6647910494786E-9 -1.260111857433125E-12
node -6.44899203134516E-15 1.851296400127781E-14 9.016064475061963E-12 9.723090106193696E-8 -9.720765418678843E-8 1.63171453881988E-10
peri 1.367783608542793E-13 -5.182943099969978E-14 6.6647910494786E-9 -9.720765418678843E-8 9.852496063506879E-8 -1.633597218263833E-10
i -2.806477772418692E-16 9.987951988595401E-16 -1.260111857433125E-12 1.63171453881988E-10 -1.633597218263833E-10 5.356896323144041E-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 16.28   n/a MPCxxxxx  

175688 (1995 SF13)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1995 SF13 = 2005 MT38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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