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6570 Tomohiro (1994 JO)
Classification: Main-belt Asteroid          SPK-ID: 2006570
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697390456114793 4.8855e-08  
a 3.134709727580072 1.9118e-08 au
q 2.60262709015161 1.5356e-07 au
i 14.43353506319476 5.1906e-06 deg
node 215.3678301037935 1.6214e-05 deg
peri 323.3634419566551 1.9497e-05 deg
M 217.3821695406648 1.2173e-05 deg
tp 2459403.592830931507
(2021-Jul-08.09283093)
7.1454e-05 TDB
period 2027.189855603488
5.55
1.8545e-05
5.077e-08
d
yr
n .1775857347573541 1.6246e-09 deg/d
Q 3.666792365008534 2.2363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2074  
   data-arc span      23488 days (64.31 yr)  
   first obs. used      1955-05-22  
   last obs. used      2019-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:55:02  

Additional Information
 Earth MOID = 1.61977 au 
 Jupiter MOID = 1.39271 au 
 T_jup = 3.141 
[ 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 12.1   n/a MPO452260  
diameter diameter 23.041 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.965 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.062   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

6570 Tomohiro (1994 JO)          Discovered 1994-May-06 by Endate, K., Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1994 JO = 1983 JE1 = 1985 SO5 = 1985 UQ5 = 1986 XS4 = 1991 UH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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