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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826870591726288 1.2211e-08  
a 2.315391648920266 7.8938e-09 au
q 1.660860392854133 2.7093e-08 au
i 20.65690638530571 1.2732e-06 deg
node 288.7853539094572 2.1278e-06 deg
peri 281.8775085259655 2.8187e-06 deg
M 143.1249370451531 3.9603e-06 deg
tp 2458688.879510839799
(2019-Jul-24.37951084)
1.2508e-05 TDB
period 1286.871316069584
3.52
6.581e-06
1.802e-08
d
yr
n .2797482510524262 1.4306e-09 deg/d
Q 2.9699229049864 1.0125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2073  
   data-arc span      18541 days (50.76 yr)  
   first obs. used      1970-05-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:45:14  

Additional Information
 Earth MOID = .778425 au 
 Jupiter MOID = 2.43154 au 
 T_jup = 3.445 
[ 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 13.99   n/a E2021B10  
rotation period rot_per 3.29015 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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