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4343 Tetsuya (1988 AC)
Classification: Main-belt Asteroid          SPK-ID: 2004343
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727444896006815 1.9022e-08  
a 2.785471676970459 9.4969e-09 au
q 2.304296793835043 5.2997e-08 au
i 6.939602246469008 2.1016e-07 deg
node 221.2012097983223 3.0675e-06 deg
peri 280.3297321854645 5.2922e-06 deg
M 6.738442089141002 3.3616e-06 deg
tp 2459168.716366313403
(2020-Nov-15.21636631)
1.5794e-05 TDB
period 1698.034645962721
4.65
8.684e-06
2.378e-08
d
yr
n .2120098084311429 1.0843e-09 deg/d
Q 3.266646560105876 1.1137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2885  
   data-arc span      23695 days (64.87 yr)  
   first obs. used      1956-05-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:34:13  

Additional Information
 Earth MOID = 1.32904 au 
 Jupiter MOID = 1.82848 au 
 T_jup = 3.299 
[ 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 12.63   n/a MPCxxxxx  
diameter diameter 18.271 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.392 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.]
geometric albedo albedo 0.058   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4343 Tetsuya (1988 AC)          Discovered 1988-Jan-10 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 AC = 1979 DS = 1984 JQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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