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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662505885863351 2.5034e-08  
a 3.187129916176081 1.289e-08 au
q 2.657267691710691 8.0416e-08 au
i .4255205017284813 1.2714e-06 deg
node 74.9925532499645 0.00022316 deg
peri 305.9825673341082 0.00022606 deg
M 82.78377132601737 6.9427e-06 deg
tp 2458722.595869859718
(2019-Aug-27.09586986)
3.9116e-05 TDB
period 2078.251378195318
5.69
1.2608e-05
3.452e-08
d
yr
n .1732225484255959 1.0509e-09 deg/d
Q 3.716992140641471 1.5033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2666  
   data-arc span      25312 days (69.30 yr)  
   first obs. used      1951-12-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:43:58  

Additional Information
 Earth MOID = 1.65877 au 
 Jupiter MOID = 1.74403 au 
 T_jup = 3.176 
[ 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 12.73   n/a MPCxxxxx  
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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