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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2979769350190736 9.137e-08  
a 2.875264243781912 3.4901e-08 AU
q 2.018501817049843 2.5404e-07 AU
i 7.241265040939259 1.2822e-05 deg
node 215.7020999566037 6.2393e-05 deg
peri 132.1488230849541 6.8721e-05 deg
M 155.1058572953362 3.1004e-05 deg
tp 2456033.243157973434
(2012-Apr-15.74315797)
0.00014323 JED
period 1780.799693486941
4.88
3.2424e-05
8.877e-08
d
yr
n .2021563690271603 3.6807e-09 deg/d
Q 3.73202667051398 4.53e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1992-08-06  
   last obs. used      2014-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 13:02:00  

Additional Information
 Earth MOID = 1.01969 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 (675)
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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