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4095 Ishizuchisan (1987 SG)
Classification: Main-belt Asteroid          SPK-ID: 2004095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183299780851065 1.0158e-08  
a 2.120431551627726 6.2924e-09 au
q 1.869520932592649 2.0765e-08 au
i 2.515159221778554 6.9145e-07 deg
node 255.9044195194399 1.2795e-05 deg
peri 89.5956282075594 1.4746e-05 deg
M 351.9874662295572 8.2709e-06 deg
tp 2459421.601645145443
(2021-Jul-26.10164515)
2.5953e-05 TDB
period 1127.807072176647
3.09
5.0202e-06
1.374e-08
d
yr
n .3192035312433417 1.4209e-09 deg/d
Q 2.371342170662803 7.037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2270  
   data-arc span      25826 days (70.71 yr)  
   first obs. used      1950-10-13  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:15:16  

Additional Information
 Earth MOID = .863325 au 
 Jupiter MOID = 2.97596 au 
 T_jup = 3.720 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457261.5 (2015-Aug-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184848081055031 1.0155e-08  
q 1.868884579259851 2.0769e-08 au
tp 2457166.138338810304
(2015-May-23.63833881)
2.3949e-05 TDB
node 256.0068474510574 1.28e-05 deg
peri 89.44035230367685 1.4732e-05 deg
i 2.514391223908801 6.9151e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2270  
   data-arc span      25826 days (70.71 yr)  
   first obs. used      1950-10-13  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:15:16  

Additional Information
 Jupiter MOID = 2.97596 au 
 T_jup = 3.720 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.031285580700917E-16 -2.038900903775291E-16 1.00908768069429E-13 -2.64304251125605E-14 5.44004721204503E-14 -2.227654635802922E-15
q -2.038900903775291E-16 4.313506969366865E-16 -2.149179553376063E-13 5.672554167356188E-14 -1.164931001343882E-13 4.704818144242939E-15
tp 1.00908768069429E-13 -2.149179553376063E-13 5.735677010582041E-10 1.678739565858804E-12 1.887590475185008E-10 -8.418814097344306E-12
node -2.64304251125605E-14 5.672554167356188E-14 1.678739565858804E-12 1.638518986653953E-10 -1.583399466179439E-10 9.430101375082049E-13
peri 5.44004721204503E-14 -1.164931001343882E-13 1.887590475185008E-10 -1.583399466179439E-10 2.170398941294815E-10 -3.564609687733044E-12
i -2.227654635802922E-15 4.704818144242939E-15 -8.418814097344306E-12 9.430101375082049E-13 -3.564609687733044E-12 4.781794403035314E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.14   n/a E2020-QM5  
diameter diameter 4.845 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4095 Ishizuchisan (1987 SG)          Discovered 1987-Sep-16 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 SG = 1950 TS1 = 1953 RH1 = 1972 YL1 = 1973 AW2 = 1977 HY = 1981 UW17 = 1981 WM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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