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14821 Motaeno (1982 VG4)
Classification: Main-belt Asteroid          SPK-ID: 2014821
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138816018183358 5.1713e-08  
a 2.284841423407222 1.3608e-08 AU
q 2.024640022208721 1.1697e-07 AU
i 3.576919883425373 7.9894e-06 deg
node 208.911095086146 7.321e-05 deg
peri 301.2850003608249 8.1236e-05 deg
M 18.10076405268004 3.42e-05 deg
tp 2456937.072597109244
(2014-Oct-06.57259711)
0.00011986 JED
period 1261.486254072869
3.45
1.1269e-05
3.085e-08
d
yr
n .2853776637182484 2.5494e-09 deg/d
Q 2.545042824605722 1.5157e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      11879 days (32.52 yr)  
   first obs. used      1982-11-14  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5612  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:15:09  

Additional Information
 Earth MOID = 1.03869 AU 
 T_jup = 3.591 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag 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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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