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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033876388576807 5.3646e-08  
a 3.190643923381939 2.3597e-08 AU
q 2.541706389369679 1.7285e-07 AU
i .951360635120758 6.1226e-06 deg
node 47.73454703855332 0.00040419 deg
peri 8.619640134914377 0.00040429 deg
M 29.09366561296491 1.7089e-05 deg
tp 2456832.266733153589
(2014-Jun-23.76673315)
9.8583e-05 JED
period 2081.689425815052
5.70
2.3093e-05
6.323e-08
d
yr
n .1729364599424084 1.9185e-09 deg/d
Q 3.839581457394198 2.8397e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      19067 days (52.20 yr)  
   first obs. used      1962-11-30  
   last obs. used      2015-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56371  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:57:21  

Additional Information
 Earth MOID = 1.55323 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 MPO319149  

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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