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129460 (1992 PW2)
Classification: Main-belt Asteroid          SPK-ID: 2129460
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985698815673126 7.9804e-08  
a 2.873920365633087 3.3245e-08 AU
q 2.015854302432129 2.2308e-07 AU
i 7.244538252109106 1.0806e-05 deg
node 215.6693384468525 5.1418e-05 deg
peri 132.1518534428812 5.5932e-05 deg
M 195.5977197774825 2.6176e-05 deg
tp 2457813.173050023712
(2017-Feb-28.67305002)
0.0001403 JED
period 1779.551339632
4.87
3.0879e-05
8.454e-08
d
yr
n .2022981815598789 3.5103e-09 deg/d
Q 3.731986428834046 4.3171e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1992-08-06  
   last obs. used      2015-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5299  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 20:45:56  

Additional Information
 Earth MOID = 1.01867 AU 
 T_jup = 3.218 
[ 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 15.3 mag n/a MPO260045  

129460 (1992 PW2)          Discovered 1992-Aug-06 by Holt, H. E. at Palomar
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1992 PW2 = 2002 TC256 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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