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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129970725906677 2.1106e-08  
a 2.174803175039967 5.0468e-09 au
q 1.892142427675877 4.6588e-08 au
i 5.763719344908741 8.2163e-07 deg
node 62.68208191697674 2.842e-06 deg
peri 342.0242154887438 4.8101e-06 deg
M 100.7398958634815 5.8581e-06 deg
tp 2458872.686102559187
(2020-Jan-24.18610256)
1.8802e-05 TDB
period 1171.462428734482
3.21
4.0777e-06
1.116e-08
d
yr
n .3073081911716999 1.0697e-09 deg/d
Q 2.457463922404058 5.7027e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2481  
   data-arc span      18062 days (49.45 yr)  
   first obs. used      1971-10-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:03:39  

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 ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.97   n/a MPCxxxxx  
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

Alternate Designations
 1987 SM13 = 1971 TK1 = 1987 SL29 = 1990 OV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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