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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2684208839500177 3.7432e-08  
a 2.546998805206295 1.2233e-08 au
q 1.863331134493182 9.8628e-08 au
i 11.05694749875528 6.6551e-06 deg
node 228.359702019284 1.9538e-05 deg
peri 68.48881746042643 2.846e-05 deg
M 302.4681044054821 2.4683e-05 deg
tp 2459237.772672325755
(2021-Jan-23.27267233)
0.00010293 TDB
period 1484.709675469322
4.06
1.0696e-05
2.928e-08
d
yr
n .2424716467791609 1.7468e-09 deg/d
Q 3.230666475919408 1.5516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      2000-05-06  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:21:53  

Additional Information
 Earth MOID = .881113 au 
 Jupiter MOID = 2.08242 au 
 T_jup = 3.366 
[ 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 15.4   n/a MPO385520  
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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