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17321 (3188 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2017321
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .207425247851879 4.6467e-08  
a 3.158521583554331 1.9782e-08 au
q 2.503364461240064 1.4772e-07 au
i 27.04115009401281 5.8919e-06 deg
node 187.7101159237994 9.8383e-06 deg
peri 57.20388277659752 1.6652e-05 deg
M 249.1964321099755 1.244e-05 deg
tp 2459631.566962269921
(2022-Feb-21.06696227)
7.3119e-05 TDB
period 2050.332049259082
5.61
1.9262e-05
5.274e-08
d
yr
n .1755813162702555 1.6495e-09 deg/d
Q 3.813678705868597 2.3885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      17842 days (48.85 yr)  
   first obs. used      1971-03-25  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:01:31  

Additional Information
 Earth MOID = 1.58471 au 
 Jupiter MOID = 1.44285 au 
 T_jup = 3.005 
[ 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 MPO425975  
diameter diameter 7.954 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17321 (3188 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
 3188 T-1 = 1999 FE30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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