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3867 Shiretoko (1988 HG)
Classification: Main-belt Asteroid          SPK-ID: 2003867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072788037112919 3.2358e-08  
a 2.350627177090094 6.6519e-09 au
q 2.098454705560617 7.5964e-08 au
i 6.276090306332483 3.46e-06 deg
node 79.92540206964813 3.04e-05 deg
peri 32.8365924132528 3.424e-05 deg
M 50.05428555181764 1.5154e-05 deg
tp 2458817.473985637895
(2019-Nov-29.97398564)
5.5347e-05 TDB
period 1316.358118869706
3.60
5.5877e-06
1.53e-08
d
yr
n .2734818092732355 1.1609e-09 deg/d
Q 2.602799648619571 7.3656e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3034  
   data-arc span      28970 days (79.32 yr)  
   first obs. used      1941-03-19  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:29  

Additional Information
 Earth MOID = 1.11817 au 
 Jupiter MOID = 2.49132 au 
 T_jup = 3.542 
[ show covariance matrix ]

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 MPO347552  
diameter diameter 5.345 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 28.035 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:
[Michalik, D.; Ditteon, R. (2016) Minor Planet Bull. 43, 202-203.]
geometric albedo albedo 0.324   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3867 Shiretoko (1988 HG)          Discovered 1988-Apr-16 by Yanai, M. and Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 HG = 1941 EB = 1973 AS3 = 1979 XM = 1984 DJ1 = 1986 VA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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