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332747 (2009 TM23)
Classification: Main-belt Asteroid          SPK-ID: 2332747
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143919507483599 6.1967e-08  
a 2.583856189139931 2.447e-08 au
q 2.288283839210991 1.6879e-07 au
i 5.308555370413029 6.5992e-06 deg
node 225.5290250376574 4.9072e-05 deg
peri 140.0352961535658 5.3577e-05 deg
M 231.0366224851164 2.3473e-05 deg
tp 2459543.956555907631
(2021-Nov-25.45655591)
0.0001031 TDB
period 1517.053631013719
4.15
2.155e-05
5.9e-08
d
yr
n .2373020917918651 3.371e-09 deg/d
Q 2.879428539068871 2.7269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6212 days (17.01 yr)  
   first obs. used      2003-04-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:31:06  

Additional Information
 Earth MOID = 1.28999 au 
 Jupiter MOID = 2.60177 au 
 T_jup = 3.408 
[ 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 16.3   n/a MPO471451  
rotation period rot_per 8.113 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

332747 (2009 TM23)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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