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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825544564238587 6.8055e-08  
a 2.315707212295084 1.4785e-08 AU
q 1.661393819688237 1.6108e-07 AU
i 20.65908955166217 8.9288e-06 deg
node 288.821029048141 2.4057e-05 deg
peri 281.909495794532 3.1306e-05 deg
M 247.9903883737919 2.1383e-05 deg
tp 2457400.976180178786
(2016-Jan-13.47618018)
7.863e-05 JED
period 1287.134405442662
3.52
1.2327e-05
3.375e-08
d
yr
n .2796910707053871 2.6785e-09 deg/d
Q 2.970020604901931 1.8962e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      15936 days (43.63 yr)  
   first obs. used      1970-05-10  
   last obs. used      2013-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5529  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:18:11  

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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