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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825686004198558 7.1376e-08  
a 2.315525823126525 1.3433e-08 AU
q 1.661230932049629 1.6803e-07 AU
i 20.65926385284514 9.8747e-06 deg
node 288.8204874854583 2.5154e-05 deg
peri 281.9356935926735 3.3079e-05 deg
M 192.0087494367657 2.2335e-05 deg
tp 2457401.060870296823
(2016-Jan-13.56087030)
8.2602e-05 JED
period 1286.983176695115
3.52
1.1199e-05
3.066e-08
d
yr
n .2797239361935216 2.4342e-09 deg/d
Q 2.969820714203422 1.7229e-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      .55848  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 05:38:41  

Additional Information
 Earth MOID = .779773 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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