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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672818288404151 6.3348e-08  
a 2.330321186580751 2.72e-08 au
q 1.940500796703957 1.5635e-07 au
i 2.449529262758336 7.5547e-06 deg
node 10.01951773311124 0.00016068 deg
peri 278.9401432254131 0.00016327 deg
M 183.0199273825264 2.5114e-05 deg
tp 2458239.269204830739
(2018-Apr-30.76920483)
9.0241e-05 JED
period 1299.33788780897
3.56
2.2749e-05
6.228e-08
d
yr
n .2770641904447626 4.851e-09 deg/d
Q 2.720141576457545 3.175e-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 = .925799 au 
 Jupiter MOID = 2.44039 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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