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JPL Small-Body Database Browser
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4592 Alkissia (1979 SQ11)
Classification: Main-belt Asteroid          SPK-ID: 2004592
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657183947822002 4.361e-08  
a 3.185256113705388 1.8627e-08 au
q 2.657400583571941 1.4282e-07 au
i .425561276512359 4.2524e-06 deg
node 74.98846279189131 0.00065873 deg
peri 305.9404784165855 0.00065883 deg
M 338.874990514429 1.3003e-05 deg
tp 2458722.345466675782
(2019-Aug-26.84546668)
7.5318e-05 TDB
period 2076.418854781681
5.68
1.8214e-05
4.987e-08
d
yr
n .1733754243133431 1.5209e-09 deg/d
Q 3.713111643838834 2.1714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1982  
   data-arc span      24758 days (67.78 yr)  
   first obs. used      1951-12-01  
   last obs. used      2019-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:46:47  

Additional Information
 Earth MOID = 1.65946 au 
 Jupiter MOID = 1.7439 au 
 T_jup = 3.177 
[ 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 12.6   n/a MPO319141  
diameter diameter 13.989 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4592 Alkissia (1979 SQ11)          Discovered 1979-Sep-24 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 SQ11 = 1951 WE1 = 1978 NT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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