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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 | 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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06971718128755292 2.7985e-08  
a 2.351301279626535 7.6408e-09 au
q 2.187375182053156 6.5847e-08 au
i 3.04327164908124 3.3297e-06 deg
node 72.5030710780885 5.7153e-05 deg
peri 227.5108704494075 6.1851e-05 deg
M 193.9269241891253 2.3706e-05 deg
tp 2459608.015797612421
(2022-Jan-28.51579761)
8.6998e-05 TDB
period 1316.924408562982
3.61
6.4193e-06
1.758e-08
d
yr
n .2733642095622097 1.3325e-09 deg/d
Q 2.515227377199913 8.1735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2744  
   data-arc span      13784 days (37.74 yr)  
   first obs. used      1982-07-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:05:22  

Additional Information
 Earth MOID = 1.17304 au 
 Jupiter MOID = 2.60173 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456635.5 (2013-Dec-09.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07047016167915902 2.7965e-08  
q 2.184982766727042 6.5845e-08 au
tp 2456974.901648088205
(2014-Nov-13.40164809)
8.5508e-05 TDB
node 72.52870445932263 5.7181e-05 deg
peri 227.6907275191017 6.1781e-05 deg
i 3.043318428048059 3.3287e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2744  
   data-arc span      13784 days (37.74 yr)  
   first obs. used      1982-07-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:05:22  

Additional Information
 Jupiter MOID = 2.60173 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.820240216198878E-16 -1.830709325969165E-15 -1.823407904355091E-13 2.172483524515643E-15 -5.444570542266096E-14 1.105390901740727E-16
q -1.830709325969165E-15 4.335603239804935E-15 4.06390580916002E-13 -5.479930121196316E-15 1.183381732638281E-13 -2.017194543873928E-16
tp -1.823407904355091E-13 4.06390580916002E-13 7.311609741308335E-9 -4.348995618321936E-12 2.007871976475452E-9 -4.517977042707412E-13
node 2.172483524515643E-15 -5.479930121196316E-15 -4.348995618321936E-12 3.269682659879801E-9 -3.265958924203399E-9 1.607388354495139E-12
peri -5.444570542266096E-14 1.183381732638281E-13 2.007871976475452E-9 -3.265958924203399E-9 3.816939927465243E-9 -1.735177993559625E-12
i 1.105390901740727E-16 -2.017194543873928E-16 -4.517977042707412E-13 1.607388354495139E-12 -1.735177993559625E-12 1.108023624547106E-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 13.1   n/a MPO302089  
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

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