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JPL Small-Body Database Browser
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35971 (1999 LJ26)
Classification: Main-belt Asteroid          SPK-ID: 2035971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098434607021301 3.8184e-08  
a 2.442815696910001 1.0882e-08 au
q 2.17448836690392 9.1457e-08 au
i 7.501471094180917 3.7299e-06 deg
node 96.14014450909484 3.4997e-05 deg
peri 162.719492711292 4.0197e-05 deg
M 75.9766309711669 1.9145e-05 deg
tp 2458306.185261578367
(2018-Jul-06.68526158)
7.4418e-05 TDB
period 1394.551251844757
3.82
9.3184e-06
2.551e-08
d
yr
n .2581475578784075 1.7249e-09 deg/d
Q 2.711143026916081 1.2077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      7951 days (21.77 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:39:24  

Additional Information
 Earth MOID = 1.15991 au 
 Jupiter MOID = 2.34452 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456806.5 (2014-May-29.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097168683455759 3.792e-08  
q 2.175005265235963 9.0806e-08 au
tp 2456913.156059341051
(2014-Sep-12.65605934)
7.7013e-05 TDB
node 96.17830387312867 3.5015e-05 deg
peri 163.1976183064503 4.0296e-05 deg
i 7.499471789103221 3.7283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      7951 days (21.77 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:39:24  

Additional Information
 Jupiter MOID = 2.34452 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.43791114896451E-15 -3.424635579925564E-15 -1.354996190858924E-12 -1.662898273376729E-14 -3.420201577012036E-13 3.807103064776378E-16
q -3.424635579925564E-15 8.245751073796673E-15 3.106191053542664E-12 3.993176104270799E-14 7.81106676017204E-13 -9.063388066840664E-16
tp -1.354996190858924E-12 3.106191053542664E-12 5.931045125597104E-9 2.883646133767849E-11 1.562496108567067E-9 -1.615660238500233E-12
node -1.662898273376729E-14 3.993176104270799E-14 2.883646133767849E-11 1.226037987586355E-9 -1.207596705992459E-9 -4.832001749527404E-11
peri -3.420201577012036E-13 7.81106676017204E-13 1.562496108567067E-9 -1.207596705992459E-9 1.623764584460116E-9 4.743801242899977E-11
i 3.807103064776378E-16 -9.063388066840664E-16 -1.615660238500233E-12 -4.832001749527404E-11 4.743801242899977E-11 1.390038194444666E-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 14.4   n/a MPO431905  
diameter diameter 2.809 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.328 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.427   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35971 (1999 LJ26)          Discovered 1999-Jun-09 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 LJ26 = 2000 SO126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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