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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145184057511456 3.0966e-08  
a 2.284593561214634 6.9794e-09 au
q 2.022965548795002 7.2565e-08 au
i 3.57652262234997 4.0635e-06 deg
node 208.8638849675544 5.2277e-05 deg
peri 301.4253147071768 5.5481e-05 deg
M 285.8010978900184 1.818e-05 deg
tp 2459460.460179430577
(2021-Sep-02.96017943)
6.385e-05 TDB
period 1261.280988447647
3.45
5.7798e-06
1.582e-08
d
yr
n .2854241071555982 1.3079e-09 deg/d
Q 2.546221573634266 7.7786e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      13999 days (38.33 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:07  

Additional Information
 Earth MOID = 1.03618 au 
 Jupiter MOID = 2.45331 au 
 T_jup = 3.592 
[ 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 15.0   n/a MPO337384  

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

[ show close-approach data ]
Alternate Designations
 1982 VG4 = 1991 LC4 = 1999 TM31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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