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39524 (1989 SM3)
Classification: Main-belt Asteroid          SPK-ID: 2039524
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087100441652398 3.5738e-08  
a 2.772557285810382 1.806e-08 au
q 2.19389673223824 9.9994e-08 au
i 8.226510118160574 6.0172e-06 deg
node 43.9865426468218 3.0917e-05 deg
peri 254.7707680602924 3.6816e-05 deg
M 284.987184467538 2.4378e-05 deg
tp 2459351.859892021008
(2021-May-17.35989202)
0.00011614 TDB
period 1686.23934763286
4.62
1.6476e-05
4.511e-08
d
yr
n .2134928238422187 2.086e-09 deg/d
Q 3.351217839382524 2.183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      11173 days (30.59 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:57  

Additional Information
 Earth MOID = 1.19587 au 
 Jupiter MOID = 1.93734 au 
 T_jup = 3.290 
[ 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 14.7   n/a MPO431946  
diameter diameter 6.266 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39524 (1989 SM3)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SM3 = 1992 ED25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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