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7797 Morita (1996 BK2)
Classification: Main-belt Asteroid          SPK-ID: 2007797
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500610905108813 3.4898e-08  
a 3.182136576090469 1.9293e-08 au
q 2.704621691327772 1.1356e-07 au
i 12.95226526811361 3.7881e-06 deg
node 152.6721189684049 1.6655e-05 deg
peri 201.1104008131754 2.0664e-05 deg
M 225.6181577437135 1.4098e-05 deg
tp 2459774.453270686107
(2022-Jul-13.95327069)
8.4335e-05 TDB
period 2073.369234778178
5.68
1.8856e-05
5.162e-08
d
yr
n .1736304339629671 1.5791e-09 deg/d
Q 3.659651460853167 2.2188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2382  
   data-arc span      24411 days (66.83 yr)  
   first obs. used      1953-08-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:44:06  

Additional Information
 Earth MOID = 1.70286 au 
 Jupiter MOID = 1.77636 au 
 T_jup = 3.142 
[ 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 11.8   n/a MPO435773  
diameter diameter 13.173 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.9288 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:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.303   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7797 Morita           Discovered 1996 Jan. 26 by T. Kobayashi at Oizumi.
Yukio Morita (b. 1952), a dentist in Hiroshima, is an expert on planetary photography and one of the most active members of the Mars section of the Oriental Astronomical Association.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1996 BK2 = 1953 QQ = 1962 CM = 1982 TA3 = 1985 DG4 = 1991 EA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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