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JPL Small-Body Database Browser
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4002 Shinagawa (1950 JB)
Classification: Main-belt Asteroid          SPK-ID: 2004002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02890122226656937 3.0949e-08  
a 2.5162537997671 9.3404e-09 au
q 2.443530989420931 7.5977e-08 au
i 14.68835746305869 3.5342e-06 deg
node 116.8457829787048 1.4501e-05 deg
peri 185.6353006624452 6.9615e-05 deg
M 133.1863973362043 6.7963e-05 deg
tp 2458461.129160379317
(2018-Dec-08.62916038)
0.00027557 TDB
period 1457.907910620112
3.99
8.1177e-06
2.223e-08
d
yr
n .2469291766493511 1.3749e-09 deg/d
Q 2.588976610113269 9.6104e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2606  
   data-arc span      25473 days (69.74 yr)  
   first obs. used      1950-05-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:01:30  

Additional Information
 Earth MOID = 1.42799 au 
 Jupiter MOID = 2.5797 au 
 T_jup = 3.413 
[ 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 11.7   n/a MPO435736  
diameter diameter 9.978 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 175.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2015) Minor Planet Bull. 42, 70-74.]
geometric albedo albedo 0.406   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4002 Shinagawa (1950 JB)          Discovered 1950-May-14 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 JB = 1950 JL = 1950 LO = 1984 YU5 = 1985 BW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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