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5868 Ohta (1988 TQ)
Classification: Main-belt Asteroid          SPK-ID: 2005868
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018731268832785 3.3013e-08  
a 2.67975375855162 9.6875e-09 au
q 2.138783488035587 8.6922e-08 au
i 3.130601351921645 4.1084e-06 deg
node 101.3749182921376 6.7963e-05 deg
peri 277.5822419924354 6.8902e-05 deg
M 79.2825667382198 1.045e-05 deg
tp 2458647.629005860608
(2019-Jun-13.12900586)
4.6212e-05 TDB
period 1602.288663403502
4.39
8.6886e-06
2.379e-08
d
yr
n .2246786164206554 1.2183e-09 deg/d
Q 3.220724029067654 1.1643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1600  
   data-arc span      20879 days (57.16 yr)  
   first obs. used      1962-12-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:49:05  

Additional Information
 Earth MOID = 1.14376 au 
 Jupiter MOID = 2.24357 au 
 T_jup = 3.345 
[ 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 MPO358688  
diameter diameter 8.383 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.631 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.]
geometric albedo albedo 0.079   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5868 Ohta (1988 TQ)          Discovered 1988-Oct-13 by Endate and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 TQ = 1962 XT1 = 1975 XR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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