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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187052654567381 3.622e-08  
a 2.28196362233653 7.1871e-09 au
q 1.782886162550799 8.2429e-08 au
i 4.195530807246967 2.8197e-06 deg
node 291.8728644417572 6.015e-05 deg
peri 295.550350903498 6.0635e-05 deg
M 158.7424016538783 7.7795e-06 deg
tp 2458645.296816086189
(2019-Jun-10.79681609)
2.7262e-05 TDB
period 1259.103705919576
3.45
5.9484e-06
1.629e-08
d
yr
n .2859176716798535 1.3508e-09 deg/d
Q 2.78104108212226 8.759e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1624  
   data-arc span      15026 days (41.14 yr)  
   first obs. used      1979-11-22  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:00:46  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2161-Jun-22 20:50 00:01 Hebe 0.0345227252019202 0.0345171142789782 0.034528343846523 10.3852331363999 10.3852331190604 2510522.368264407 1.00695606648964 868.093048290742 38.0493625351075 71.3485018968396 128603.454634152 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 02:00:49 2021-Feb-24 02:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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