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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298755946852112 4.3589e-08  
a 2.174791023332362 5.3495e-09 au
q 1.892338745861012 9.5805e-08 au
i 5.763930747451222 4.2988e-06 deg
node 62.68693089719378 3.2735e-05 deg
peri 342.035692999971 3.4966e-05 deg
M 39.27316950601436 1.1125e-05 deg
tp 2458872.703730728353
(2020-Jan-24.20373073)
3.6205e-05 TDB
period 1171.452610432865
3.21
4.3223e-06
1.183e-08
d
yr
n .307310766815378 1.1339e-09 deg/d
Q 2.457243300803711 6.0443e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2242  
   data-arc span      17916 days (49.05 yr)  
   first obs. used      1971-10-11  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:46:05  

Additional Information
 Earth MOID = .902736 au 
 Jupiter MOID = 2.89817 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 14.0   n/a MPO502202  
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. 2019-August); 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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