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JPL Small-Body Database Browser
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17327 (4155 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2017327
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04083638539780939 2.9362e-08  
a 2.723642094221329 1.1533e-08 au
q 2.61241839597601 8.1073e-08 au
i 3.041932162438878 3.4907e-06 deg
node 72.32736651514975 9.0767e-05 deg
peri 20.00493981696712 0.00011239 deg
M 66.22895974496438 6.4999e-05 deg
tp 2458698.456901921546
(2019-Aug-02.95690192)		 0.00029667 TDB
period 1641.812218204305
4.50		 1.0429e-05
2.855e-08		 d
yr
n .2192698994491232 1.3928e-09 deg/d
Q 2.834865792466648 1.2004e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      17933 days (49.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:34:31  

Additional Information
 Earth MOID = 1.62927 au 
 Jupiter MOID = 2.23114 au 
 T_jup = 3.354 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO365460  
diameter diameter 5.200 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17327 (4155 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4155 T-1 = 1996 WM2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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