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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981057251277132 2.9964e-08  
a 2.385259853601001 7.2864e-09 au
q 1.912726220685351 7.3756e-08 au
i 1.741476078493589 3.6935e-06 deg
node 31.92400120122991 0.00010258 deg
peri 294.343777746352 0.00010302 deg
M 355.2496382852405 9.6446e-06 deg
tp 2459218.255223933936
(2021-Jan-03.75522393)
3.6076e-05 TDB
period 1345.556612322248
3.68
6.1656e-06
1.688e-08
d
yr
n .2675472712951772 1.2259e-09 deg/d
Q 2.85779348651665 8.7299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      10603 days (29.03 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:28:40  

Additional Information
 Earth MOID = .899897 au 
 Jupiter MOID = 2.47995 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 15.57   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

[ 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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