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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981170303661789 3.0068e-08  
a 2.384859724425386 7.1848e-09 au
q 1.912378397982325 7.3995e-08 au
i 1.741669326480908 3.758e-06 deg
node 31.9416810155733 0.00010268 deg
peri 294.4207911991895 0.00010314 deg
M 301.6649007144437 9.6738e-06 deg
tp 2459218.481745738449
(2021-Jan-03.98174574)
3.645e-05 TDB
period 1345.218049286349
3.68
6.079e-06
1.664e-08
d
yr
n .2676146073054725 1.2093e-09 deg/d
Q 2.857341050868446 8.6082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      10603 days (29.03 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:01  

Additional Information
 Earth MOID = .901515 au 
 Jupiter MOID = 2.48085 au 
 T_jup = 3.508 
[ 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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