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5151 Weerstra (2160 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2005151
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030688453394619 6.3504e-08  
a 3.189258299587594 2.1962e-08 AU
q 2.541619299201045 2.082e-07 AU
i .9514422654624587 7.3068e-06 deg
node 47.73780930907699 0.00044553 deg
peri 8.566174186970452 0.00044569 deg
M 354.5372362212192 1.8929e-05 deg
tp 2456832.067696231505
(2014-Jun-23.56769623)
0.00010946 JED
period 2080.333527780361
5.70
2.1488e-05
5.883e-08
d
yr
n .1730491746600396 1.7875e-09 deg/d
Q 3.836897299974142 2.6421e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      18680 days (51.14 yr)  
   first obs. used      1962-11-30  
   last obs. used      2014-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64056  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:01:42  

Additional Information
 Earth MOID = 1.55241 AU 
 T_jup = 3.164 
[ 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 13.4 mag n/a MPO279568  

5151 Weerstra (2160 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 2160 T-2 = 1962 WB2 = 1979 WA6 = 1985 VL3 = 1987 GH = 1990 QW8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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