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34811 (2001 ST108)
Classification: Main-belt Asteroid          SPK-ID: 2034811
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112164558788076 8.6334e-08  
a 2.575764214343931 1.427e-08 au
q 2.286854757699929 2.2935e-07 au
i 14.27289572148737 5.7146e-06 deg
node 27.97790467842444 1.6834e-05 deg
peri 143.1789780254379 2.484e-05 deg
M 82.14237696998607 1.7735e-05 deg
tp 2458655.973724048439
(2019-Jun-21.47372405)
7.3791e-05 TDB
period 1509.932679302437
4.13
1.2548e-05
3.435e-08
d
yr
n .2384212256180282 1.9813e-09 deg/d
Q 2.864673670987933 1.587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      15089 days (41.31 yr)  
   first obs. used      1978-03-03  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:35:48  

Additional Information
 Earth MOID = 1.30384 au 
 Jupiter MOID = 2.11872 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131150902476075 8.5905e-08  
q 2.284021220667434 2.2912e-07 au
tp 2457145.324062165378
(2015-May-02.82406217)
7.2015e-05 TDB
node 28.03777643210069 1.6838e-05 deg
peri 142.7680229897304 2.4809e-05 deg
i 14.27366085627939 5.7136e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      15089 days (41.31 yr)  
   first obs. used      1978-03-03  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:35:48  

Additional Information
 Jupiter MOID = 2.11872 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.379635848374902E-15 -1.966043135175183E-14 8.962970205224633E-13 2.205245500447844E-14 5.628396573411228E-13 -3.321077677597378E-14
q -1.966043135175183E-14 5.249649678036578E-14 -2.299661407570374E-12 -5.731069515147017E-14 -1.485318573320573E-12 8.875499196022384E-14
tp 8.962970205224633E-13 -2.299661407570374E-12 5.186142121170067E-9 3.885128865290169E-13 1.294366847825664E-9 3.287755713314214E-12
node 2.205245500447844E-14 -5.731069515147017E-14 3.885128865290169E-13 2.835143572842178E-10 -2.732201764368826E-10 -3.018279984956305E-11
peri 5.628396573411228E-13 -1.485318573320573E-12 1.294366847825664E-9 -2.732201764368826E-10 6.154798212231709E-10 2.846114450343728E-11
i -3.321077677597378E-14 8.875499196022384E-14 3.287755713314214E-12 -3.018279984956305E-11 2.846114450343728E-11 3.264523136096412E-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 14.2   n/a MPO436008  
diameter diameter 4.168 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34811 (2001 ST108)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 ST108 = 1978 EV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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