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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426169118243353 4.1493e-08  
a 2.378176707045415 9.3004e-09 au
q 1.801190818609489 1.0099e-07 au
i 4.284773014345514 4.4707e-06 deg
node 304.7580913180347 5.7397e-05 deg
peri 17.48813463919618 5.8108e-05 deg
M 344.1597369140139 1.2871e-05 deg
tp 2459059.441949791515
(2020-Jul-28.94194979)
4.8111e-05 TDB
period 1339.567519160577
3.67
7.858e-06
2.151e-08
d
yr
n .2687434525327917 1.5765e-09 deg/d
Q 2.95516259548134 1.1557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      24485 days (67.04 yr)  
   first obs. used      1953-04-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:15:23  

Additional Information
 Earth MOID = .789148 au 
 Jupiter MOID = 2.37626 au 
 T_jup = 3.496 
[ 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 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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