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79187 (1993 QL8)
Classification: Main-belt Asteroid          SPK-ID: 2079187
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2976686613206125 4.3282e-08  
a 2.741406034998779 1.521e-08 au
q 1.925375370424444 1.1978e-07 au
i 13.08724735819342 5.3213e-06 deg
node 150.9757191787582 2.5165e-05 deg
peri 241.3171435599046 2.6506e-05 deg
M 298.6734397161491 9.9103e-06 deg
tp 2459282.925937660802
(2021-Mar-09.42593766)
4.6646e-05 TDB
period 1657.900542396181
4.54
1.3798e-05
3.778e-08
d
yr
n .2171420967627456 1.8072e-09 deg/d
Q 3.557436699573113 1.9738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      9847 days (26.96 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:34:34  

Additional Information
 Earth MOID = .967191 au 
 Jupiter MOID = 2.04047 au 
 T_jup = 3.248 
[ 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 15.8   n/a MPO474682  
diameter diameter 3.404 km 0.901 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.061   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79187 (1993 QL8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1993 QL8 = 2002 PL85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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