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20141 Markidger (1996 RL5)
Classification: Main-belt Asteroid          SPK-ID: 2020141
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179043972785256 4.2356e-08  
a 2.258793038478108 8.0194e-09 au
q 1.854369759169308 9.5077e-08 au
i 7.121937553450787 4.803e-06 deg
node 342.3073295396533 3.3014e-05 deg
peri 42.3083003996646 3.5439e-05 deg
M 325.2200959527473 1.4041e-05 deg
tp 2459120.295075754187
(2020-Sep-27.79507575)
4.8662e-05 TDB
period 1239.97545286253
3.39
6.6035e-06
1.808e-08
d
yr
n .2903283280075637 1.5461e-09 deg/d
Q 2.663216317786908 9.4553e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1480  
   data-arc span      18031 days (49.37 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:33:19  

Additional Information
 Earth MOID = .864145 au 
 Jupiter MOID = 2.82231 au 
 T_jup = 3.590 
[ 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 14.8   n/a MPO435886  
diameter diameter 3.378 km 0.895 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.224   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20141 Markidger           Discovered 1996 Sept. 13 by M. Blasco at Observatorio Astronomico de Mallorca.
Mark Richard Kidger (b. 1960) is a British-born astrophysicist of the Instituto de Astrofisica de Canarias, known for his contribution to Spanish astronomy with his dedication to the study of the nature of comets, meteors and minor planets, and for the support and friendship that connect him with the Observatorio de Mallorca.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1996 RL5 = 1062 T-1 = 1998 FL37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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