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JPL Small-Body Database Browser
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19552 (1999 JJ68)
Classification: Main-belt Asteroid          SPK-ID: 2019552
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025239499960759 3.6223e-08  
a 2.399588885629918 1.0951e-08 au
q 1.913614666145465 8.4716e-08 au
i 3.492572399805824 3.8715e-06 deg
node 136.3448175743303 7.2099e-05 deg
peri 202.2322658828702 7.3093e-05 deg
M 142.7591443833134 1.4995e-05 deg
tp 2458462.099908465795
(2018-Dec-09.59990847)		 5.4503e-05 TDB
period 1357.699598085915
3.72		 9.2945e-06
2.545e-08		 d
yr
n .2651543835672693 1.8152e-09 deg/d
Q 2.885563105114371 1.3169e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      9080 days (24.86 yr)  
   first obs. used      1995-03-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:50:30  

Additional Information
 Earth MOID = .905054 au 
 Jupiter MOID = 2.50289 au 
 T_jup = 3.496 
[ 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 14.7   n/a MPO452447  
diameter diameter 2.602 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19552 (1999 JJ68)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JJ68 = 1998 BZ45 = 2000 RP7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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