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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985698803154236 7.9916e-08  
a 2.873920365854222 3.3248e-08 AU
q 2.015854306185069 2.234e-07 AU
i 7.244541214738712 1.1271e-05 deg
node 215.6693566282886 5.4607e-05 deg
peri 132.1518379642821 5.939e-05 deg
M 195.5977180847734 2.6676e-05 deg
tp 2457813.173058484906
(2017-Feb-28.67305848)
0.00014255 JED
period 1779.551339837392
4.87
3.0881e-05
8.455e-08
d
yr
n .20229818153653 3.5106e-09 deg/d
Q 3.731986425523377 4.3175e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8240 days (22.56 yr)  
   first obs. used      1992-08-06  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52403  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 19:16:03  

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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