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15713 (1989 SM4)
Classification: Main-belt Asteroid          SPK-ID: 2015713
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352652535651586 4.2215e-08  
a 3.047519811607277 1.8285e-08 au
q 2.635296271545374 1.357e-07 au
i 2.520625643156074 4.1736e-06 deg
node 108.957818457095 9.8901e-05 deg
peri 245.1294267369436 0.00010006 deg
M 297.3886635061213 1.6803e-05 deg
tp 2459338.462649989336
(2021-May-03.96264999)
9.1928e-05 TDB
period 1943.203272909785
5.32
1.7488e-05
4.788e-08
d
yr
n .1852611124213115 1.6673e-09 deg/d
Q 3.45974335166918 2.0758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      11222 days (30.72 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:52:14  

Additional Information
 Earth MOID = 1.63152 au 
 Jupiter MOID = 1.97386 au 
 T_jup = 3.222 
[ 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 13.8   n/a MPO347648  
diameter diameter 8.112 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15713 (1989 SM4)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SM4 = 1993 KM3 = 1994 PP23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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