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JPL Small-Body Database Browser
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379196 (2009 SD38)
Classification: Main-belt Asteroid          SPK-ID: 2379196
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 .07515626330783395 7.4982e-08  
a 2.412908413019831 3.2357e-08 au
q 2.231563232993225 1.6596e-07 au
i 6.659386482002472 8.344e-06 deg
node 9.474201246729761 4.0116e-05 deg
peri 218.8733288194696 0.00010105 deg
M 92.13313303153993 8.1364e-05 deg
tp 2458650.133138872571
(2019-Jun-15.63313887)
0.00031464 TDB
period 1369.019655097323
3.75
2.7537e-05
7.539e-08
d
yr
n .2629618929571962 5.2894e-09 deg/d
Q 2.594253593046438 3.4788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      5546 days (15.18 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:09:04  

Additional Information
 Earth MOID = 1.22681 au 
 Jupiter MOID = 2.39005 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07421180436485245 7.5106e-08  
q 2.233745112570466 1.6603e-07 au
tp 2457280.813553289385
(2015-Sep-15.31355329)
0.00034013 TDB
node 9.542962858494946 4.0102e-05 deg
peri 218.8434193351243 0.00010209 deg
i 6.660761489096677 8.3445e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      5546 days (15.18 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:09:04  

Additional Information
 Jupiter MOID = 2.39005 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.6409006176372E-15 -1.233242042076806E-14 -1.807835221324289E-11 1.71804110884606E-14 -4.920787670635403E-12 -9.095115891294553E-15
q -1.233242042076806E-14 2.756465041469361E-14 3.565949662127694E-11 -3.831582971998361E-14 9.691330856959757E-12 2.119270250320936E-14
tp -1.807835221324289E-11 3.565949662127694E-11 1.156889463928417E-7 -4.676451414933345E-11 3.194054015070261E-8 2.862990505097522E-11
node 1.71804110884606E-14 -3.831582971998361E-14 -4.676451414933345E-11 1.608169496378701E-9 -1.608597162742249E-9 -5.460879973512248E-11
peri -4.920787670635403E-12 9.691330856959757E-12 3.194054015070261E-8 -1.608597162742249E-9 1.042152846584701E-8 6.209675931050695E-11
i -9.095115891294553E-15 2.119270250320936E-14 2.862990505097522E-11 -5.460879973512248E-11 6.209675931050695E-11 6.963049143837559E-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 17.0   n/a MPO476776  

379196 (2009 SD38)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 SD38 = 2005 QJ142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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