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JPL Small-Body Database Browser
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58184 Masayukiyamamoto (1991 RG1)
Classification: Main-belt Asteroid          SPK-ID: 2058184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979199687064766 3.9841e-08  
a 2.38448434368605 8.6569e-09 au
q 1.912547277002624 9.4341e-08 au
i 1.741750642191358 4.4033e-06 deg
node 31.94547824627984 0.00012742 deg
peri 294.4826253033305 0.00012777 deg
M 194.5067350027859 1.1145e-05 deg
tp 2459218.755463867828
(2021-Jan-04.25546387)
4.327e-05 TDB
period 1344.900452572283
3.68
7.324e-06
2.005e-08
d
yr
n .267677804190977 1.4577e-09 deg/d
Q 2.856421410369477 1.037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1991-08-08  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:30  

Additional Information
 Earth MOID = .900806 au 
 Jupiter MOID = 2.47912 au 
 T_jup = 3.509 
[ 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 15.5   n/a MPO436189  

58184 Masayukiyamamoto           Discovered 1991 Sept. 7 by T. Seki at Geisei.
Masayuki Yamamoto (b. 1971) is a Japanese planetary scientist. He specializes in upper atmospheric physics, developing in-situ and remote-sensing equipment, and collaborating with JAXA and NASA, as well as with amateur astronomers and high school students.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-09-09Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 1991 RG1 = 2002 PG84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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