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2960 Ohtaki (1977 DK3)
Classification: Main-belt Asteroid          SPK-ID: 2002960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137930754352267 2.7593e-08  
a 2.220532010672867 6.0918e-09 au
q 1.967850844076034 6.0972e-08 au
i 4.508174514117249 3.4232e-06 deg
node 130.7575770640709 4.6606e-05 deg
peri 333.6703126828994 5.0324e-05 deg
M 64.47491722076998 1.8519e-05 deg
tp 2458784.042680185623
(2019-Oct-27.54268019)
6.2017e-05 TDB
period 1208.603880271026
3.31
4.9735e-06
1.362e-08
d
yr
n .2978643423842649 1.2257e-09 deg/d
Q 2.4732131772697 6.785e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2291  
   data-arc span      26680 days (73.05 yr)  
   first obs. used      1947-01-19  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:11  

Additional Information
 Earth MOID = .985822 au 
 Jupiter MOID = 2.62844 au 
 T_jup = 3.637 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO452204  
diameter diameter 5.296 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.31 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.302   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2960 Ohtaki (1977 DK3)          Discovered 1977-Feb-18 by Kosai, H. and Hurukawa, K. at Kiso Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 DK3 = 1947 BH = 1979 WK4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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