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43464 (2001 AA9)
Classification: Main-belt Asteroid          SPK-ID: 2043464
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416675108790209 3.6147e-08  
a 2.29720108727774 7.2628e-09 au
q 1.971762327254522 8.4573e-08 au
i 5.831100651672435 3.0944e-06 deg
node 249.533689337132 3.834e-05 deg
peri 89.86652101645872 4.0553e-05 deg
M 21.75837907918813 1.1511e-05 deg
tp 2459123.636353383711
(2020-Oct-01.13635338)
4.0732e-05 TDB
period 1271.735945088449
3.48
6.0311e-06
1.651e-08
d
yr
n .2830776321062168 1.3425e-09 deg/d
Q 2.622639847300958 8.2917e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      13487 days (36.93 yr)  
   first obs. used      1984-03-06  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:12  

Additional Information
 Earth MOID = .971634 au 
 Jupiter MOID = 2.75184 au 
 T_jup = 3.574 
[ 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 15.29   n/a E2021B10  
rotation period rot_per 101.649 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

43464 (2001 AA9)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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