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5026 Martes (1987 QL1)
Classification: Main-belt Asteroid          SPK-ID: 2005026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426169123331187 4.1337e-08  
a 2.378176705632636 7.942e-09 au
q 1.801190816329497 1.0028e-07 au
i 4.284772359890798 4.4511e-06 deg
node 304.7580593640164 5.4613e-05 deg
peri 17.48816511944841 5.5194e-05 deg
M 344.1597393671261 1.001e-05 deg
tp 2459059.441940610910
(2020-Jul-28.94194061)
3.7385e-05 TDB
period 1339.567517966902
3.67
6.7103e-06
1.837e-08
d
yr
n .2687434527722662 1.3462e-09 deg/d
Q 2.955162594935774 9.8689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      24535 days (67.17 yr)  
   first obs. used      1953-04-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:15:41  

Additional Information
 Earth MOID = .789148 au 
 Jupiter MOID = 2.37626 au 
 T_jup = 3.496 
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Orbital Elements at Epoch 2456393.5 (2013-Apr-11.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2415322550291752 4.1158e-08  
q 1.803443402576126 9.9714e-08 au
tp 2456378.434936754533
(2013-Mar-26.93493675)
3.3728e-05 TDB
node 304.8355552879052 5.4544e-05 deg
peri 17.00833401765669 5.5144e-05 deg
i 4.288334560683698 4.4503e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      24535 days (67.17 yr)  
   first obs. used      1953-04-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:15:41  

Additional Information
 Jupiter MOID = 2.37626 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.693983387836787E-15 -4.097301606245787E-15 4.907248027386704E-14 -6.398417731825831E-15 2.362864481989969E-14 2.512369649611978E-16
q -4.097301606245787E-15 9.942969425765216E-15 -8.673703858300531E-14 1.477359200911348E-14 -5.013906857205486E-14 -5.080288515007433E-16
tp 4.907248027386704E-14 -8.673703858300531E-14 1.137589854624644E-9 -6.466935359940637E-12 2.902935863489239E-10 -1.79965240354498E-13
node -6.398417731825831E-15 1.477359200911348E-14 -6.466935359940637E-12 2.975077128984611E-9 -2.967785432191519E-9 2.947032471738515E-11
peri 2.362864481989969E-14 -5.013906857205486E-14 2.902935863489239E-10 -2.967785432191519E-9 3.040897009698183E-9 -2.941861719137216E-11
i 2.512369649611978E-16 -5.080288515007433E-16 -1.79965240354498E-13 2.947032471738515E-11 -2.941861719137216E-11 1.980538853524575E-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 13.9   n/a MPO337295  
diameter diameter 7.525 km 1.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 4.4243 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]
[Polishook, D. (2014) Icarus 241, 79-96.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.058   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

5026 Martes (1987 QL1)          Discovered 1987-Aug-22 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 QL1 = 1965 QE = 1976 QL = 1980 VA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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