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20625 Noto (1999 TG20)
Classification: Main-belt Asteroid          SPK-ID: 2020625
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02566144000618967 6.9137e-08  
a 2.941546292430993 3.0865e-08 AU
q 2.866061978722346 2.1521e-07 AU
i 2.992347752107416 6.7951e-06 deg
node 61.69823995967523 0.00011507 deg
peri 355.0332650488749 0.00016717 deg
M 342.1033514163734 0.00012305 deg
tp 2457092.107528785446
(2015-Mar-10.60752879)
0.00063019 JED
period 1842.731068258912
5.05
2.9003e-05
7.941e-08
d
yr
n .1953622024401764 3.0749e-09 deg/d
Q 3.017030606139641 3.1657e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      6385 days (17.48 yr)  
   first obs. used      1997-04-11  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50961  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:42:16  

Additional Information
 Earth MOID = 1.87688 AU 
 T_jup = 3.270 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a PDS3 (MPO 7893)  

20625 Noto           Discovered 1999 Oct. 9 by A. Tsuchikawa at the Yanagida Astronomical Observatory.
The Noto Peninsula is located in Japan's geographical center, facing the Sea of Japan. The U.S. astronomer Percival Lowell visited the peninsula in 1889. His travelogue, Noto: An Unexplored Corner of Japan, was published in 1891.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 TG20 = 1997 JU11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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