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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04083423176851752 2.9234e-08  
a 2.723077785788026 1.1434e-08 au
q 2.611882996359456 8.0556e-08 au
i 3.042018608236051 3.467e-06 deg
node 72.32344519004614 9.051e-05 deg
peri 19.71468804449023 0.00011195 deg
M 110.3843626231705 6.4599e-05 deg
tp 2458697.238681168952
(2019-Aug-01.73868117)
0.00029489 TDB
period 1641.301996711873
4.49
1.0338e-05
2.83e-08
d
yr
n .2193380625388937 1.3815e-09 deg/d
Q 2.834272575216596 1.1901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1734  
   data-arc span      18246 days (49.95 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:29  

Additional Information
 Earth MOID = 1.62843 au 
 Jupiter MOID = 2.23143 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 14.25   n/a E2021B10  
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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