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128895 Bright Spring (2004 TW)
Classification: Main-belt Asteroid          SPK-ID: 2128895
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672634420963103 6.3371e-08  
a 2.330423834674517 2.733e-08 au
q 1.940629122543575 1.565e-07 au
i 2.44953718594919 7.5547e-06 deg
node 10.02036229334739 0.00016067 deg
peri 278.970511406182 0.00016327 deg
M 127.5677165628338 2.5233e-05 deg
tp 2456940.043001648928
(2014-Oct-09.54300165)
9.2548e-05 JED
period 1299.423740368812
3.56
2.2858e-05
6.258e-08
d
yr
n .2770458848918845 4.8736e-09 deg/d
Q 2.72021854680546 3.1901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      16334 days (44.72 yr)  
   first obs. used      1971-03-25  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56989  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:30:40  

Additional Information
 Earth MOID = .924487 au 
 Jupiter MOID = 2.43918 au 
 T_jup = 3.551 
[ 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 16.9 mag n/a MPO302657  

128895 Bright Spring           Discovered 2004 Oct. 4 at Jarnac.
Bright Spring is the title of an essay by Summer Vigil, a second-grade student in Albuquerque, New Mexico, about a fictitious discovery of a new major planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 2004 TW = 3122 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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