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JPL Small-Body Database Browser
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11232 (1999 JA77)
Classification: Main-belt Asteroid          SPK-ID: 2011232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07069951524509401 3.8768e-08  
a 3.189990676568356 2.1607e-08 au
q 2.964459882098604 1.222e-07 au
i 11.2978999457003 4.117e-06 deg
node 91.1274073444191 2.4591e-05 deg
peri 157.0535788789317 4.106e-05 deg
M 158.6367062090227 3.3373e-05 deg
tp 2457683.469604812707
(2016-Oct-21.96960481)
0.00019235 TDB
period 2081.050156402257
5.70
2.1144e-05
5.789e-08
d
yr
n .1729895835967606 1.7576e-09 deg/d
Q 3.415521471038109 2.3135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1831  
   data-arc span      15031 days (41.15 yr)  
   first obs. used      1978-10-03  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46842  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:33:24  

Additional Information
 Earth MOID = 1.95313 au 
 Jupiter MOID = 1.65585 au 
 T_jup = 3.163 
[ 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 12.4   n/a MPO337353  
diameter diameter 19.343 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.739 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.042   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11232 (1999 JA77)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JA77 = 1978 TF = 1979 YK4 = 1988 LX = 1990 UV1 = 1998 DJ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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