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5112 Kusaji (1987 SM13)
Classification: Main-belt Asteroid          SPK-ID: 2005112
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299707258128975 2.1209e-08  
a 2.174803175059187 5.069e-09 au
q 1.892142427896551 4.6849e-08 au
i 5.763719352533778 8.2193e-07 deg
node 62.68208189701525 2.8426e-06 deg
peri 342.0242155039232 4.8107e-06 deg
M 100.7398958556496 5.8677e-06 deg
tp 2458872.686102580327
(2020-Jan-24.18610258)
1.8828e-05 TDB
period 1171.462428750011
3.21
4.0957e-06
1.121e-08
d
yr
n .3073081911676262 1.0744e-09 deg/d
Q 2.457463922221824 5.7279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2451  
   data-arc span      18053 days (49.43 yr)  
   first obs. used      1971-10-11  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:09:31  

Additional Information
 Earth MOID = .901609 au 
 Jupiter MOID = 2.89854 au 
 T_jup = 3.668 
[ 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 13.96   n/a E2021B10  
diameter diameter 3.419 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.7995 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Chiorny, V.; Pravec, P.; Romeuf, D.; Montaighut, R.; et al. (2016) CBET 4336.]
geometric albedo albedo 0.500   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5112 Kusaji (1987 SM13)          Discovered 1987-Sep-23 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SM13 = 1971 TK1 = 1987 SL29 = 1990 OV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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