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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0288466179096889 1.7993e-08  
a 2.516525959220776 8.4285e-09 au
q 2.443932696415321 4.4393e-08 au
i 14.68824869492714 8.3524e-07 deg
node 116.845672170029 6.7692e-06 deg
peri 185.9174120507655 4.979e-05 deg
M 182.2731169679237 4.6474e-05 deg
tp 2459920.365188821026
(2022-Dec-06.86518882)
0.00018888 TDB
period 1458.144449249118
3.99
7.3255e-06
2.006e-08
d
yr
n .2468891200630943 1.2403e-09 deg/d
Q 2.589119222026231 8.6716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3088  
   data-arc span      25878 days (70.85 yr)  
   first obs. used      1950-05-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:49:20  

Additional Information
 Earth MOID = 1.42644 au 
 Jupiter MOID = 2.57883 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 11.81   n/a E2021B10  
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. 2020-October); 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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