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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978534179754586 2.999e-08  
a 2.384465718023297 7.2157e-09 au
q 1.912691025667082 7.3734e-08 au
i 1.74162448262433 3.694e-06 deg
node 31.91837831317212 0.00010257 deg
peri 294.3085551822058 0.00010301 deg
M 47.74156968928614 9.7367e-06 deg
tp 2459218.147482289810
(2021-Jan-03.64748229)
3.6091e-05 TDB
period 1344.884694691497
3.68
6.1047e-06
1.671e-08
d
yr
n .2676809405453011 1.2151e-09 deg/d
Q 2.856240410379513 8.6433e-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 = .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 | 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1923-Jun-04 05:09 00:03 Europ 0.0298238611331315 0.029819021974482 0.0298287005100993 3.69186273036177 3.69186263383178 2423574.714881402 3.0088397447315 273.152332949763 32.1816803913355 28.2316708995428 67084.802385048 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 11:28:44 2021-Apr-13 11:28
2159-Jul-11 03:22 < 00:01 Juno 0.0271300534018148 0.0271187442288448 0.0271413637591095 7.53506292092754 7.53506286141501 2509809.640125215 0.315508001729397 630.946218909667 36.3574412379094 26.7164022891153 50497.0574050314 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 11:28:44 2021-Apr-13 11:28

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