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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423685134307971 3.8722e-08  
a 2.377418353046063 5.6882e-09 au
q 1.801207001015195 9.2711e-08 au
i 4.284865314111524 3.7075e-06 deg
node 304.7578888947955 4.3914e-05 deg
peri 17.47562364415581 4.442e-05 deg
M 37.93505929814379 5.587e-06 deg
tp 2459059.410365013000
(2020-Jul-28.91036501)
2.0907e-05 TDB
period 1338.926827453396
3.67
4.8053e-06
1.316e-08
d
yr
n .2688720493297686 9.6496e-10 deg/d
Q 2.953629705076931 7.0669e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2495  
   data-arc span      24749 days (67.76 yr)  
   first obs. used      1953-04-15  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:21:58  

Additional Information
 Earth MOID = .787195 au 
 Jupiter MOID = 2.37764 au 
 T_jup = 3.497 
[ 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 14.03   n/a E2021B10  
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. 2020-October); 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.]
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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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