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3139 Shantou (1980 VL1)
Classification: Main-belt Asteroid          SPK-ID: 2003139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02137825085061108 4.0594e-08  
a 3.192458988297912 2.0194e-08 au
q 3.124209799215791 1.3428e-07 au
i 20.57412135969975 4.1421e-06 deg
node 252.7625333545652 1.323e-05 deg
peri 115.4456177801688 0.00011193 deg
M 18.66129626124022 0.00010903 deg
tp 2458892.499510465781
(2020-Feb-12.99951047)
0.00063129 TDB
period 2083.465997647421
5.70
1.9769e-05
5.412e-08
d
yr
n .1727889969917915 1.6395e-09 deg/d
Q 3.260708177380033 2.0626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2400  
   data-arc span      20771 days (56.87 yr)  
   first obs. used      1963-12-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:53  

Additional Information
 Earth MOID = 2.16513 au 
 Jupiter MOID = 1.90468 au 
 T_jup = 3.096 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0227289488677949 4.1248e-08  
q 3.120613673203255 1.3556e-07 au
tp 2456756.540127525941
(2014-Apr-09.04012753)
0.00058904 TDB
node 252.9161768660791 1.3264e-05 deg
peri 106.6151295840184 0.00010371 deg
i 20.53518854796014 4.1386e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2400  
   data-arc span      20771 days (56.87 yr)  
   first obs. used      1963-12-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:53  

Additional Information
 Jupiter MOID = 1.90468 au 
 T_jup = 3.096 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.701423242964094E-15 -5.533289393900025E-15 -1.319966797362938E-12 1.856699009140701E-15 -2.376470450127514E-13 -3.649704564203098E-15
q -5.533289393900025E-15 1.837579101396612E-14 1.115724248348739E-12 -5.393989516303121E-15 2.262087324143682E-13 1.338226387629805E-14
tp -1.319966797362938E-12 1.115724248348739E-12 3.469690773524721E-7 -1.776662675190415E-11 6.062125486161916E-8 2.056277016521637E-11
node 1.856699009140701E-15 -5.393989516303121E-15 -1.776662675190415E-11 1.759409296037198E-10 -1.676361080117966E-10 -1.057749055291626E-12
peri -2.376470450127514E-13 2.262087324143682E-13 6.062125486161916E-8 -1.676361080117966E-10 1.075556213557669E-8 4.478123352768894E-12
i -3.649704564203098E-15 1.338226387629805E-14 2.056277016521637E-11 -1.057749055291626E-12 4.478123352768894E-12 1.712832882949349E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.9   n/a MPO502183  
diameter diameter 36.648 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[De Sanctis, M.C.; Barucci, M.A.; Angeli, C.A.; Fulchignoni, M.; et al. (1994) Planet. Space Sci. 42, 859-864.]
geometric albedo albedo 0.078   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3139 Shantou (1980 VL1)          Discovered 1980-Nov-11 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 VL1 = 1963 YC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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