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JPL Small-Body Database Browser
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30888 Okitsumisaki (1993 BG2)
Classification: Main-belt Asteroid          SPK-ID: 2030888
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365695435646862 3.606e-08  
a 2.872005977411216 1.5455e-08 au
q 2.192576834219994 1.0238e-07 au
i 4.104564274832147 4.4652e-06 deg
node 323.0376507293429 6.002e-05 deg
peri 118.0462108765815 6.0757e-05 deg
M 253.1411063259348 9.9346e-06 deg
tp 2459528.196980138172
5.0722e-05 TDB
period 1777.773532160835
n .2025004836034598 1.6346e-09 deg/d
Q 3.551435120602438 1.9111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      9248 days (25.32 yr)  
   first obs. used      1993-01-19  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:10:46  

Additional Information
 Earth MOID = 1.21201 au 
 Jupiter MOID = 1.72374 au 
 T_jup = 3.252 
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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 13.9   n/a MPO347750  
diameter diameter 9.203 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 7.975 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 0.069   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

30888 Okitsumisaki           Discovered 1993 Jan. 19 by T. Seki at Geisei.
Okitsumisaki in western Kochi prefecture is a small promontory jutting into the Pacific Ocean. It is a well-known scenic spot with popular swimming beaches.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

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Alternate Designations
 1993 BG2 = 2001 QR235 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Apr-09 16:49 UT
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