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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033876415512654 6.0203e-08  
a 3.190643921878857 2.732e-08 AU
q 2.541706379578037 1.9876e-07 AU
i .951359141381964 6.9571e-06 deg
node 47.73463669660521 0.00042837 deg
peri 8.619549659699466 0.00042852 deg
M 29.0936667565793 1.8768e-05 deg
tp 2456832.266726659552
(2014-Jun-23.76672666)
0.00010787 JED
period 2081.689424344057
5.70
2.6737e-05
7.32e-08
d
yr
n .1729364600646114 2.2211e-09 deg/d
Q 3.839581464179678 3.2876e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      18966 days (51.93 yr)  
   first obs. used      1962-11-30  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:58:14  

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 13.3 mag n/a MPO284191  

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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