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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02890121991307609 3.1194e-08  
a 2.516253798651221 9.3908e-09 au
q 2.443530994259289 7.6579e-08 au
i 14.68835796069633 3.5754e-06 deg
node 116.8457822027865 1.4682e-05 deg
peri 185.635315802476 7.0858e-05 deg
M 133.186383738944 6.9111e-05 deg
tp 2458461.129215803535
(2018-Dec-08.62921580)
0.00028026 TDB
period 1457.907909650307
3.99
8.1615e-06
2.234e-08
d
yr
n .2469291768136091 1.3823e-09 deg/d
Q 2.588976603043152 9.6622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2550  
   data-arc span      25446 days (69.67 yr)  
   first obs. used      1950-05-08  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:20:28  

Additional Information
 Earth MOID = 1.42799 au 
 Jupiter MOID = 2.5797 au 
 T_jup = 3.413 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456865.5 (2014-Jul-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02996503566895189 3.1034e-08  
q 2.440764522790514 7.6315e-08 au
tp 2457006.247806306279
(2014-Dec-14.74780631)
0.00027204 TDB
node 116.9227859042601 1.4689e-05 deg
peri 186.2892126554017 6.8606e-05 deg
i 14.68546701970528 3.574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2550  
   data-arc span      25446 days (69.67 yr)  
   first obs. used      1950-05-08  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:20:28  

Additional Information
 Jupiter MOID = 2.5797 au 
 T_jup = 3.413 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.630792117112624E-16 -2.352435483401549E-15 -1.806152370856185E-12 -8.893584092196413E-15 -4.390372280587395E-13 -7.155781753975651E-16
q -2.352435483401549E-15 5.823906889994682E-15 4.141255842162216E-12 2.232086653643892E-14 1.002584887927699E-12 2.179980519698357E-15
tp -1.806152370856185E-12 4.141255842162216E-12 7.400562230617447E-8 1.222858584561513E-10 1.824683618765459E-8 -2.585121952282759E-11
node -8.893584092196413E-15 2.232086653643892E-14 1.222858584561513E-10 2.157691115087774E-10 -1.780479532967969E-10 -1.189967540333434E-11
peri -4.390372280587395E-13 1.002584887927699E-12 1.824683618765459E-8 -1.780479532967969E-10 4.706748184252472E-9 5.028708740464334E-12
i -7.155781753975651E-16 2.179980519698357E-15 -2.585121952282759E-11 -1.189967540333434E-11 5.028708740464334E-12 1.277334305405687E-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 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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