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12509 Pathak (1998 FY117)
Classification: Main-belt Asteroid          SPK-ID: 2012509
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1712507841967733 2.6751e-08  
a 2.308368501086407 6.2422e-09 au
q 1.91305858506023 6.0689e-08 au
i 3.806449323089881 3.1698e-06 deg
node 270.1518975036711 6.6989e-05 deg
peri 37.87498871492459 6.8605e-05 deg
M 82.98252979007435 1.5174e-05 deg
tp 2458905.215734449150
(2020-Feb-25.71573445)
5.3579e-05 TDB
period 1281.020666244149
3.51
5.1962e-06
1.423e-08
d
yr
n .2810259112021132 1.1399e-09 deg/d
Q 2.703678417112585 7.3112e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:24:04  

Additional Information
 Earth MOID = .897939 au 
 Jupiter MOID = 2.53815 au 
 T_jup = 3.564 
[ 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 15.09   n/a MPCxxxxx  
rotation period rot_per 4.20521 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.]

12509 Pathak           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Madhav Dilip Pathak (b. 1987) is a finalist in the 2002 Intel International Science and Engineering Fair for his behavioral and social sciences project. He attends the Joy Higher Secondary School, Jabalpur, Madhya Pradesh, India.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 FY117 = 1991 GJ7 = 1995 OO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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