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19080 Martinfierro (1970 JB)
Classification: Mars-crossing Asteroid          SPK-ID: 2019080
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825544666177329 6.7378e-08  
a 2.315707212532161 1.4783e-08 AU
q 1.661393796252299 1.5957e-07 AU
i 20.65908780441436 8.8076e-06 deg
node 288.821024078143 2.3634e-05 deg
peri 281.9094967299905 3.0759e-05 deg
M 247.9903910207638 2.1218e-05 deg
tp 2457400.976170776373
(2016-Jan-13.47617078)
7.8061e-05 JED
period 1287.134405640323
3.52
1.2325e-05
3.374e-08
d
yr
n .2796910706624358 2.6783e-09 deg/d
Q 2.970020628812023 1.896e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      16304 days (44.64 yr)  
   first obs. used      1970-05-10  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55528  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:41:33  

Additional Information
 Earth MOID = .78114 AU 
 T_jup = 3.445 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO279714  

19080 Martínfierro           Discovered 1970 May 10 at El Leoncito.
Martín Fierro is the fictitious Argentinian hero of the poems by José Hernández (1834-1886). The name was suggested by W. A. Fröger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

Alternate Designations
 1970 JB = 1991 CP3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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