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56272 (1999 JS103)
Classification: Main-belt Asteroid          SPK-ID: 2056272
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866904454417107 4.2032e-08  
a 3.054827069646942 2.3613e-08 au
q 2.484520043267158 1.3292e-07 au
i 13.47327346858385 5.0343e-06 deg
node 82.5965470740537 2.2876e-05 deg
peri 242.349531706274 2.7126e-05 deg
M 188.2718729998152 1.4629e-05 deg
tp 2459530.787755573664
(2021-Nov-12.28775557)
8.2668e-05 TDB
period 1950.196498714264
5.34
2.2612e-05
6.191e-08
d
yr
n .1845967830612673 2.1403e-09 deg/d
Q 3.625134096026725 2.8021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7239 days (19.82 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:13  

Additional Information
 Earth MOID = 1.5047 au 
 Jupiter MOID = 1.79487 au 
 T_jup = 3.167 
[ 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 14.2   n/a MPO337704  
diameter diameter 5.360 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56272 (1999 JS103)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030318/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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