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58185 Rokkosan (1991 RH1)
Classification: Main-belt Asteroid          SPK-ID: 2058185
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021319880929242 8.014e-08  
a 2.299693438437152 5.3718e-09 au
q 1.834851831721598 1.8279e-07 au
i 5.15686937032818 6.0851e-06 deg
node 359.0119057055084 3.4427e-05 deg
peri 6.257768937928226 3.6398e-05 deg
M 73.77498336801379 8.0877e-06 deg
tp 2458739.458254076259
(2019-Sep-12.95825408)
2.8598e-05 TDB
period 1273.806163584864
3.49
4.4631e-06
1.222e-08
d
yr
n .2826175679562223 9.9023e-10 deg/d
Q 2.764535045152707 6.4576e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      10469 days (28.66 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:01  

Additional Information
 Earth MOID = .833056 au 
 Jupiter MOID = 2.69555 au 
 T_jup = 3.560 
[ 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 15.6   n/a MPO502539  

58185 Rokkosan           Discovered 1991 Sept. 7 by T. Seki at Geisei.
Rokkosan is a 1000-meter-high mountain behind the city of Kobe. The summit is the birthplace of Japanese golf and commands a panoramic view of Osaka Bay and the spectacular night-time scene of Kobe City.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

[ show close-approach data ]
Alternate Designations
 1991 RH1 = 1998 QX55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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