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4196 Shuya (1982 SA13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004196
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02948675084420968 3.3608e-08  
a 3.907962139303084 3.7726e-08 au
q 3.792729033392849 1.2535e-07 au
i 1.507513527087868 4.1042e-06 deg
node 166.0471454127975 0.00014628 deg
peri 217.7457979866887 0.00016438 deg
M 291.8589852983043 7.5086e-05 deg
tp 2459534.609181789226
(2021-Nov-16.10918179)
0.00058854 TDB
period 2821.785180127886
7.73
4.086e-05
1.119e-07
d
yr
n .1275788116456422 1.8474e-09 deg/d
Q 4.023195245213318 3.8838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2651  
   data-arc span      23800 days (65.16 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:06:29  

Additional Information
 Earth MOID = 2.79553 au 
 Jupiter MOID = 1.15991 au 
 T_jup = 3.063 
[ show covariance matrix ]

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 MPO435738  
diameter diameter 36.714 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 20. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Dahlgren, M.; Lahulla, J.F.; Lagerkvist, C.-I.; Lagerros, J.; et al. (1998) Icarus 133, 247-285.]
geometric albedo albedo 0.069   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

4196 Shuya (1982 SA13)          Discovered 1982-Sep-16 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1982 SA13 = 1975 TO5 = 1975 VV7 = 1981 NN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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