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JPL Small-Body Database Browser
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74550 (1999 JC82)
Classification: Outer Main-belt Asteroid          SPK-ID: 2074550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07601588076123757 3.9245e-08  
a 3.250405621481009 2.41e-08 au
q 3.003323175332852 1.2669e-07 au
i 13.58691383683884 4.3645e-06 deg
node 102.655175971648 1.8639e-05 deg
peri 251.0042941988629 3.4954e-05 deg
M 15.36431138563397 2.985e-05 deg
tp 2458509.148566431899
(2019-Jan-25.64856643)
0.00017758 TDB
period 2140.448423563334
5.86
2.3806e-05
6.518e-08
d
yr
n .1681890561047419 1.8706e-09 deg/d
Q 3.497488067629166 2.5932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-05-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49817  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:48:34  

Additional Information
 Earth MOID = 2.02966 au 
 Jupiter MOID = 1.87672 au 
 T_jup = 3.133 
[ 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 13.5   n/a MPO324955  
diameter diameter 6.457 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74550 (1999 JC82)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040415/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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