Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13745 Mikecosta (1998 SL42)
Classification: Main-belt Asteroid          SPK-ID: 2013745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457473.5 (2016-Mar-26.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08135979126730027 3.4849e-08  
q 2.388521052333911 8.983e-08 au
tp 2457330.407908001340
(2015-Nov-03.90790800)
9.72e-05 TDB
node 332.0230618276738 0.00016391 deg
peri 62.69613239183077 0.00016566 deg
i 1.152984412964944 3.8495e-06 deg
  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
 Jupiter MOID = 2.50841 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214442206672238E-15 -3.118050290296177E-15 -1.233451619684551E-12 1.173670039397476E-14 -3.310715065599941E-13 -1.383785163472398E-16
q -3.118050290296177E-15 8.06941776782326E-15 3.119682354677569E-12 -3.072559515829394E-14 8.397081436815972E-13 4.331099621777222E-16
tp -1.233451619684551E-12 3.119682354677569E-12 9.447850405007285E-9 -3.172422700096067E-11 2.350489534686249E-9 4.244927032601478E-13
node 1.173670039397476E-14 -3.072559515829394E-14 -3.172422700096067E-11 2.686514784363373E-8 -2.686702374471812E-8 1.172949956634235E-10
peri -3.310715065599941E-13 8.397081436815972E-13 2.350489534686249E-9 -2.686702374471812E-8 2.744463203815834E-8 -1.171713532546528E-10
i -1.383785163472398E-16 4.331099621777222E-16 4.244927032601478E-13 1.172949956634235E-10 -1.171713532546528E-10 1.481894419963164E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 23:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin