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10727 Akitsushima (1987 DN)
Classification: Main-belt Asteroid          SPK-ID: 2010727
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02691679043220657 4.7455e-08  
a 3.133325921357581 1.7101e-08 au
q 3.048986844176598 1.5252e-07 au
i 5.714341124503869 4.7001e-06 deg
node 314.2819939796649 3.843e-05 deg
peri 199.5259302221018 7.7529e-05 deg
M 355.5261458911701 6.6688e-05 deg
tp 2459025.675963553242
(2020-Jun-25.17596355)
0.00037527 TDB
period 2025.847660360478
5.55
1.6585e-05
4.541e-08
d
yr
n .1777033915452171 1.4548e-09 deg/d
Q 3.217664998538563 1.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2320  
   data-arc span      12159 days (33.29 yr)  
   first obs. used      1987-02-23  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:04:25  

Additional Information
 Earth MOID = 2.05989 au 
 Jupiter MOID = 1.78691 au 
 T_jup = 3.204 
[ 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 12.5   n/a MPO340775  
diameter diameter 10.138 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.199   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

10727 Akitsushima           Discovered 1987 Feb. 25 by T. Niijima and T. Urata at Ojima.
Akitsushima ia an old name for Japan, used by the first emperor Jinmu, looking from the top of a mountain, to describe the form of the country.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1987 DN = 1996 VZ30 = 1998 BF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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