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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022369050787479 8.0124e-08  
a 2.299735686963456 5.3681e-09 au
q 1.834644259132819 1.8276e-07 au
i 5.157227651040683 5.9607e-06 deg
node 359.0066305386931 3.3824e-05 deg
peri 6.272716621786939 3.5726e-05 deg
M 130.2742662541241 7.9139e-06 deg
tp 2458739.531288152159
(2019-Sep-13.03128815)
2.7927e-05 TDB
period 1273.841266098624
3.49
4.4602e-06
1.221e-08
d
yr
n .2826097800258638 9.8952e-10 deg/d
Q 2.764827114794094 6.4538e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      10727 days (29.37 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:42:38  

Additional Information
 Earth MOID = .831278 au 
 Jupiter MOID = 2.69623 au 
 T_jup = 3.559 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1971-Nov-08 06:03 00:01 Amphi 0.0242285469514259 0.0242273507035613 0.0242297432111231 2.5614905922041 2.56149049957384 2441263.751881165 1.23418796155864 172.657125526177 58.7664869269771 86.528062407889 61499.1624367532 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:42:40 2021-Feb-24 05:42

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