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JPL Small-Body Database Browser
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11223 (1999 JC30)
Classification: Main-belt Asteroid          SPK-ID: 2011223
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09918832123299774 3.6172e-08  
a 3.023765032526554 1.6398e-08 au
q 2.723842855147205 1.1255e-07 au
i 3.832887555517853 4.4908e-06 deg
node 43.97559118310778 6.2119e-05 deg
peri 265.265138434268 6.6267e-05 deg
M 207.5639141276115 2.3556e-05 deg
tp 2459413.715739330112
(2021-Jul-18.21573933)
0.00012672 TDB
period 1920.527311386896
5.26
1.5623e-05
4.277e-08
d
yr
n .1874485188862159 1.5248e-09 deg/d
Q 3.323687209905904 1.8025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      15421 days (42.22 yr)  
   first obs. used      1977-02-18  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:54:10  

Additional Information
 Earth MOID = 1.71199 au 
 Jupiter MOID = 1.90349 au 
 T_jup = 3.235 
[ 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 12.8   n/a MPO384856  
diameter diameter 12.500 km 4.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.902 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 0.112   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

11223 (1999 JC30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC30 = 1977 DU1 = 1990 SJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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