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13745 Mikecosta (1998 SL42)
Classification: Main-belt Asteroid          SPK-ID: 2013745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08161763599448985 3.4366e-08  
a 2.600878824082126 8.8295e-09 au
q 2.388601242952415 8.8567e-08 au
i 1.150563230199587 3.844e-06 deg
node 331.742499886959 0.00016445 deg
peri 64.54991142563794 0.00016621 deg
M 77.81533672608585 2.2762e-05 deg
tp 2458869.337383495080
(2020-Jan-20.83738350)
9.6961e-05 TDB
period 1532.069987198368
4.19
7.8016e-06
2.136e-08
d
yr
n .2349762106222816 1.1965e-09 deg/d
Q 2.813156405211838 9.5501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1732  
   data-arc span      15898 days (43.53 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:34:40  

Additional Information
 Earth MOID = 1.39446 au 
 Jupiter MOID = 2.50841 au 
 T_jup = 3.410 
[ 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 14.51   n/a MPCxxxxx  
diameter diameter 3.731 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.265   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13745 Mikecosta           Discovered 1998 Sept. 28 by Spacewatch at Kitt Peak.
Mike Costa (b. 1954) is a Canadian amateur astronomer with wide-ranging observing interests, which he pursues with a 0.25-m Newtonian telescope. Costa has been an enthusiastic supporter of the activities of the Royal Astronomical Society of Canada, London Centre.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1998 SL42 = 1977 RN16 = 1990 WF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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