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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345412608197438 4.2023e-08  
a 3.046733160676008 1.8743e-08 au
q 2.636821839857335 1.3522e-07 au
i 2.520701167755274 4.0799e-06 deg
node 108.9574377718798 9.7118e-05 deg
peri 244.9595964365217 9.8259e-05 deg
M 334.530851920973 1.6664e-05 deg
tp 2459337.923806448437
(2021-May-03.42380645)
9.0454e-05 TDB
period 1942.450927998502
5.32
1.7925e-05
4.908e-08
d
yr
n .1853328672611273 1.7102e-09 deg/d
Q 3.456644481494681 2.1265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      11394 days (31.20 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:06:40  

Additional Information
 Earth MOID = 1.63128 au 
 Jupiter MOID = 1.97679 au 
 T_jup = 3.223 
[ 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 13.84   n/a E2021B10  
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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