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118657 (2000 JA57)
Classification: Main-belt Asteroid          SPK-ID: 2118657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2685964445608035 3.7006e-08  
a 2.547612141021466 1.1618e-08 au
q 1.863332577823164 9.7864e-08 au
i 11.05589621996066 6.5941e-06 deg
node 228.355868841029 1.8683e-05 deg
peri 68.47158318053745 2.8051e-05 deg
M 350.9801133921366 2.4675e-05 deg
tp 2459237.713195873361
(2021-Jan-23.21319587)
0.00010197 TDB
period 1485.246001067326
4.07
1.016e-05
2.782e-08
d
yr
n .2423840897341566 1.6581e-09 deg/d
Q 3.231891704219769 1.4739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7367 days (20.17 yr)  
   first obs. used      2000-05-06  
   last obs. used      2020-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:09:51  

Additional Information
 Earth MOID = .879278 au 
 Jupiter MOID = 2.0806 au 
 T_jup = 3.365 
[ 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 15.46   n/a E2021B55  
diameter diameter 4.428 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.024   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

118657 (2000 JA57)          Discovered 2000-May-06 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 JA57 = 2004 GY33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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