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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073253813143406 3.8922e-08  
a 3.158293747559929 1.7979e-08 au
q 2.503499292044369 1.2802e-07 au
i 27.0434807365703 5.1893e-06 deg
node 187.7009883899623 8.6185e-06 deg
peri 57.23454531502871 1.4957e-05 deg
M 284.2772962502056 1.2248e-05 deg
tp 2459631.721910522433
(2022-Feb-21.22191052)
7.1523e-05 TDB
period 2050.110206062174
5.61
1.7506e-05
4.793e-08
d
yr
n .1756003159905649 1.4995e-09 deg/d
Q 3.813088203075489 2.1707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      18261 days (50.00 yr)  
   first obs. used      1971-03-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:32:17  

Additional Information
 Earth MOID = 1.58394 au 
 Jupiter MOID = 1.44245 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 14.23   n/a MPCxxxxx  
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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