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9837 Jerryhorow (1986 AA2)
Classification: Main-belt Asteroid          SPK-ID: 2009837
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02214754605943837 4.6609e-08  
a 2.70996634733527 1.7843e-08 au
q 2.649947242838135 1.2217e-07 au
i 5.776597188097651 4.8418e-06 deg
node 116.191843295593 4.7531e-05 deg
peri 63.86752821927621 0.00012567 deg
M 196.8956080254368 0.00011581 deg
tp 2458138.756753265284
(2018-Jan-20.25675327)
0.00052481 JED
period 1629.462137457037
4.46
1.6093e-05
4.406e-08
d
yr
n .2209317981219382 2.182e-09 deg/d
Q 2.769985451832407 1.8238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      13728 days (37.59 yr)  
   first obs. used      1978-05-06  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53483  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:04  

Additional Information
 Earth MOID = 1.65894 au 
 Jupiter MOID = 2.20514 au 
 T_jup = 3.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO263437  
rotation period rot_per 17.40 h n/a LCDB (Rev. 2015-December); 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.]
[Clark, M. (2015) Minor Planet Bul. 42, 15-20.]

9837 Jerryhorow           Discovered 1986 Jan. 12 by I. Horowitz at the Anderson Mesa Station of the Lowell Observatory.
Jerome Horowitz (1928-2009) was the father of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

Alternate Designations
 1986 AA2 = 1978 JO1 = 1989 WX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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