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213550 (2002 JG128)
Classification: Main-belt Asteroid          SPK-ID: 2213550
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936917679810877 4.3732e-08  
a 2.334512729128636 1.5767e-08 au
q 1.882336831249356 1.018e-07 au
i 7.131171567645563 4.8932e-06 deg
node 93.65134643835027 4.0996e-05 deg
peri 189.316480696711 4.3211e-05 deg
M 38.42188147279558 1.6859e-05 deg
tp 2459061.450662672314
(2020-Jul-30.95066267)
6.0042e-05 TDB
period 1302.845137175546
3.57
1.3199e-05
3.614e-08
d
yr
n .2763183357159766 2.7993e-09 deg/d
Q 2.786688627007915 1.8821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      6530 days (17.88 yr)  
   first obs. used      2002-03-21  
   last obs. used      2020-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:10  

Additional Information
 Earth MOID = .86437 au 
 Jupiter MOID = 2.36074 au 
 T_jup = 3.533 
[ 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 16.82   n/a E2021B55  
diameter diameter 2.645 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

213550 (2002 JG128)          Discovered 2002-May-07 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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