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11459 Andraspal (1981 ET13)
Classification: Main-belt Asteroid          SPK-ID: 2011459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187052636161518 3.617e-08  
a 2.281963621434143 7.1668e-09 au
q 1.782886166045921 8.2331e-08 au
i 4.195530809370873 2.7997e-06 deg
node 291.8728626290165 5.9887e-05 deg
peri 295.5503529823856 6.0365e-05 deg
M 158.742401852691 7.7312e-06 deg
tp 2458645.296815720167
(2019-Jun-10.79681572)
2.7084e-05 TDB
period 1259.10370517272
3.45
5.9315e-06
1.624e-08
d
yr
n .2859176718494497 1.3469e-09 deg/d
Q 2.781041076822365 8.7342e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      15056 days (41.22 yr)  
   first obs. used      1979-11-22  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:47:16  

Additional Information
 Earth MOID = .776738 au 
 Jupiter MOID = 2.22874 au 
 T_jup = 3.569 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.06   n/a E2021B10  
rotation period rot_per 3.04601 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.]

11459 Andráspál           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
András Pál (b. 1981) is a researcher at the Konkoly Observatory in Budapest who develops computer tools for the processing and interpretation of small body visual and infrared observations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

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