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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062995419414401 5.1459e-08  
a 3.190159745835464 2.298e-08 au
q 2.532031251549587 1.646e-07 au
i .9502406823307982 5.6139e-06 deg
node 47.79538572255786 0.00036834 deg
peri 8.436645346299155 0.00036841 deg
M 132.6642590386673 1.5515e-05 deg
tp 2456833.547428558610
(2014-Jun-25.04742856)
8.7466e-05 JED
period 2081.215601848162
5.70
2.2487e-05
6.157e-08
d
yr
n .172975831855341 1.869e-09 deg/d
Q 3.848288240121342 2.772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      19496 days (53.38 yr)  
   first obs. used      1962-11-30  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:50:59  

Additional Information
 Earth MOID = 1.5423 au 
 Jupiter MOID = 1.5206 au 
 T_jup = 3.163 
[ 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 13.5 mag n/a MPO365309  

5151 Weerstra (2160 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar
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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