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7289 Kamegamori (1991 JU)
Classification: Main-belt Asteroid          SPK-ID: 2007289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349801981067192 1.7325e-08  
a 2.318333623629176 6.5659e-09 au
q 2.005404491834241 3.9255e-08 au
i 8.399537871667285 4.0922e-07 deg
node 54.22346492249826 4.4224e-06 deg
peri 239.6914319381675 5.0509e-06 deg
M 86.57797380213044 3.9329e-06 deg
tp 2458890.424648403459
(2020-Feb-10.92464840)
1.389e-05 TDB
period 1289.324774796333
3.53
5.4774e-06
1.5e-08
d
yr
n .2792159175385945 1.1862e-09 deg/d
Q 2.63126275542411 7.4522e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2399  
   data-arc span      24092 days (65.96 yr)  
   first obs. used      1955-03-25  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:34:28  

Additional Information
 Earth MOID = 1.00267 au 
 Jupiter MOID = 2.54148 au 
 T_jup = 3.553 
[ 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 13.74   n/a E2021B10  
diameter diameter 5.348 km 1.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 3.831 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.299   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

7289 Kamegamori           Discovered 1991 May 5 by T. Seki at Geisei.
Named for a grassy mountain in the center of the mountainous region of Shikoku Island.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980808/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1991 JU = 1978 WJ1 = 1984 KN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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