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JPL Small-Body Database Browser
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5054 Keil (1986 AO2)
Classification: Main-belt Asteroid          SPK-ID: 2005054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485372950835065 3.0507e-08  
a 2.453948706351997 9.022e-09 au
q 2.089445803236802 7.7159e-08 au
i 7.456549017520524 6.785e-06 deg
node 355.0061991793416 2.5378e-05 deg
peri 86.40461942961092 3.9247e-05 deg
M 9.717979675024951 2.6523e-05 deg
tp 2458962.597301271325
(2020-Apr-23.09730127)
0.00010344 TDB
period 1404.095501186361
3.84
7.7433e-06
2.12e-08
d
yr
n .2563928163688479 1.414e-09 deg/d
Q 2.818451609467193 1.0362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1507  
   data-arc span      23805 days (65.17 yr)  
   first obs. used      1954-11-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:49:24  

Additional Information
 Earth MOID = 1.12079 au 
 Jupiter MOID = 2.42936 au 
 T_jup = 3.467 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO502201  
diameter diameter 4.379 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5054 Keil (1986 AO2)          Discovered 1986-Jan-12 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 AO2 = 1988 TA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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