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7713 Tsutomu (1995 YE)
Classification: Main-belt Asteroid          SPK-ID: 2007713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910691041551651 4.1184e-08  
a 2.441955220941387 7.4991e-09 au
q 1.975373024489088 9.875e-08 au
i 2.372957400533724 3.1845e-06 deg
node 160.9425802002984 9.6898e-05 deg
peri 259.0935682838318 9.7207e-05 deg
M 163.3139398738421 8.0684e-06 deg
tp 2458368.196295872747
(2018-Sep-06.69629587)
3.0187e-05 TDB
period 1393.814475737048
3.82
6.4205e-06
1.758e-08
d
yr
n .2582840157472409 1.1898e-09 deg/d
Q 2.908537417393686 8.9319e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1732  
   data-arc span      25769 days (70.55 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:43:18  

Additional Information
 Earth MOID = .98959 au 
 Jupiter MOID = 2.42733 au 
 T_jup = 3.475 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO337320  
diameter diameter 3.142 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.906 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.149   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7713 Tsutomu           Discovered 1995 Dec. 17 by T. Kobayashi at Oizumi.
Tsutomu Ishibashi (b. 1949), a Japanese amateur astronomer, has been using the same 0.1-m reflector to photograph Mars, Jupiter and Saturn since 1971 in order to maintain uniformity in the data contained in the images.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1995 YE = 1949 WO1 = 1987 SZ29 = 1997 JT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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