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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502129788022215 1.893e-08  
a 3.182031180268841 1.7726e-08 au
q 2.704048798039109 6.3536e-08 au
i 12.95239898544291 2.8536e-07 deg
node 152.6727495135238 1.3159e-06 deg
peri 201.0952705656154 4.6238e-06 deg
M 260.377241745489 3.7708e-06 deg
tp 2459774.234722656463
(2022-Jul-13.73472266)
2.3864e-05 TDB
period 2073.266227267644
5.68
1.7324e-05
4.743e-08
d
yr
n .1736390605631211 1.4509e-09 deg/d
Q 3.660013562498572 2.0388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2555  
   data-arc span      24675 days (67.56 yr)  
   first obs. used      1953-08-16  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:02:42  

Additional Information
 Earth MOID = 1.70053 au 
 Jupiter MOID = 1.77664 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 11.89   n/a E2021B10  
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 3.9294 h n/a LCDB (Rev. 2020-October); 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

[ show close-approach data ]
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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