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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826830836241018 1.2201e-08  
a 2.315360489951478 7.8609e-09 au
q 1.660847246950583 2.7052e-08 au
i 20.65686880021234 1.2732e-06 deg
node 288.7850425007205 2.1279e-06 deg
peri 281.8546175799412 2.8198e-06 deg
M 197.9957769255913 4.1579e-06 deg
tp 2459975.595498405056
(2023-Jan-31.09549840)
1.7115e-05 TDB
period 1286.845339396292
3.52
6.5535e-06
1.794e-08
d
yr
n .2797538981404631 1.4247e-09 deg/d
Q 2.969873732952373 1.0083e-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-Jul-08 18:06:38  

Additional Information
 Earth MOID = .779827 au 
 Jupiter MOID = 2.43057 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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