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14821 Motaeno (1982 VG4)
Classification: Main-belt Asteroid          SPK-ID: 2014821
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145570726484118 3.0957e-08  
a 2.284909666974144 6.9946e-09 au
q 2.023157104259529 7.2552e-08 au
i 3.576323579831512 4.0614e-06 deg
node 208.8571008526623 5.2278e-05 deg
peri 301.3625741622509 5.5479e-05 deg
M 341.8021260754388 1.8202e-05 deg
tp 2459460.270545296942
(2021-Sep-02.77054530)
6.3827e-05 TDB
period 1261.542771538504
3.45
5.7927e-06
1.586e-08
d
yr
n .2853648787198591 1.3103e-09 deg/d
Q 2.54666222968876 7.7958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1568  
   data-arc span      14021 days (38.39 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:20:52  

Additional Information
 Earth MOID = 1.03732 au 
 Jupiter MOID = 2.45237 au 
 T_jup = 3.591 
[ 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 15.08   n/a MPCxxxxx  

14821 Motaeno           Discovered 1982 Nov. 14 by H. Kosai and K. Hurukawa at the Kiso Station of the Tokyo Astronomical Observatory.
Motaeno-Minato was the old name of Tamashima Port, Okayama prefecture, in the Edo Period. Tamashima is the home town of the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1982 VG4 = 1991 LC4 = 1999 TM31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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