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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022368965238396 7.9744e-08  
a 2.2997356844384 5.2893e-09 au
q 1.834644276792449 1.8195e-07 au
i 5.157227252529295 5.8558e-06 deg
node 359.0066259382777 3.2458e-05 deg
peri 6.272727071541719 3.4093e-05 deg
M 130.2742630366073 7.4055e-06 deg
tp 2458739.531300296374
(2019-Sep-13.03130030)
2.6017e-05 TDB
period 1273.841264000652
3.49
4.3947e-06
1.203e-08
d
yr
n .2826097804913123 9.75e-10 deg/d
Q 2.76482709208435 6.359e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      10817 days (29.62 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:41:10  

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 ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.61   n/a MPCxxxxx  

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

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