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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978534182861205 2.9954e-08  
a 2.384465717959834 7.2089e-09 au
q 1.912691024875412 7.3638e-08 au
i 1.741624487125028 3.694e-06 deg
node 31.91837654141761 0.00010252 deg
peri 294.3085569629107 0.00010296 deg
M 47.74156972273661 9.7353e-06 deg
tp 2459218.147482171966
(2021-Jan-03.64748217)
3.6087e-05 TDB
period 1344.884694637806
3.68
6.0989e-06
1.67e-08
d
yr
n .2676809405559876 1.2139e-09 deg/d
Q 2.856240411044256 8.6352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      10936 days (29.94 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:58:21  

Additional Information
 Earth MOID = .901079 au 
 Jupiter MOID = 2.48069 au 
 T_jup = 3.509 
[ 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 15.57   n/a E2021B10  

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

Alternate Designations
 1991 RG1 = 2002 PG84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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