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59540 (1999 JC31)
Classification: Main-belt Asteroid          SPK-ID: 2059540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02341153838484026 3.7823e-08  
a 2.448774310069821 1.0804e-08 au
q 2.391444736313811 8.781e-08 au
i 1.615046034068446 4.3975e-06 deg
node 8.614638002324185 0.00012923 deg
peri 209.707983116157 0.00016327 deg
M 184.7719678135841 9.9017e-05 deg
tp 2459681.775310975520
(2022-Apr-12.27531098)
0.00038422 TDB
period 1399.656829395132
3.83
9.2632e-06
2.536e-08
d
yr
n .2572059039325915 1.7022e-09 deg/d
Q 2.506103883825832 1.1057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:22:15  

Additional Information
 Earth MOID = 1.3828 au 
 Jupiter MOID = 2.45511 au 
 T_jup = 3.496 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO347918  
diameter diameter 2.456 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.352   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59540 (1999 JC31)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JC31 = 2000 QJ149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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