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4256 Kagamigawa (1986 TX)
Classification: Main-belt Asteroid          SPK-ID: 2004256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06984358001560947 2.4949e-08  
a 2.350635201655105 6.5353e-09 au
q 2.186458423860798 6.0406e-08 au
i 3.043336802893355 3.0764e-06 deg
node 72.49640143517631 5.2395e-05 deg
peri 227.7603712260149 5.7363e-05 deg
M 301.956430346652 2.3561e-05 deg
tp 2459608.740320595120
(2022-Jan-29.24032059)
8.6223e-05 TDB
period 1316.364859545399
3.60
5.4897e-06
1.503e-08
d
yr
n .2734804088619658 1.1405e-09 deg/d
Q 2.514811979449411 6.9917e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3258  
   data-arc span      14214 days (38.92 yr)  
   first obs. used      1982-07-27  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:03:10  

Additional Information
 Earth MOID = 1.1717 au 
 Jupiter MOID = 2.6007 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457099.5 (2015-Mar-18.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07055831690335937 2.4947e-08  
q 2.185238542323549 6.0461e-08 au
tp 2456974.179852741388
(2014-Nov-12.67985274)
8.4982e-05 TDB
node 72.5265750587069 5.2418e-05 deg
peri 227.4654342983171 5.7279e-05 deg
i 3.042998144666959 3.0751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3258  
   data-arc span      14214 days (38.92 yr)  
   first obs. used      1982-07-27  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:03:10  

Additional Information
 Jupiter MOID = 2.6007 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.223315463881509E-16 -1.50112387848555E-15 -1.893760233911397E-13 9.948950218698766E-16 -4.229979970875076E-14 -4.412733488005162E-17
q -1.50112387848555E-15 3.655535556453478E-15 4.246604144931649E-13 -2.639358723305316E-15 9.386734438220436E-14 1.331520826713609E-16
tp -1.893760233911397E-13 4.246604144931649E-13 7.221884250084264E-9 8.897508751264849E-12 1.969178392444948E-9 3.413071103368451E-13
node 9.948950218698766E-16 -2.639358723305316E-15 8.897508751264849E-12 2.747619736939921E-9 -2.741044445667323E-9 -2.362798961384399E-11
peri -4.229979970875076E-14 9.386734438220436E-14 1.969178392444948E-9 -2.741044445667323E-9 3.280898795227595E-9 2.368849011330519E-11
i -4.412733488005162E-17 1.331520826713609E-16 3.413071103368451E-13 -2.362798961384399E-11 2.368849011330519E-11 9.456142269562642E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.21   n/a MPCxxxxx  
diameter diameter 7.559 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4256 Kagamigawa (1986 TX)          Discovered 1986-Oct-03 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 TX = 1985 GO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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