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JPL Small-Body Database Browser
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423681 (2005 YJ218)
Classification: Main-belt Asteroid          SPK-ID: 2423681
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09452538939976488 6.5598e-08  
a 2.782036573102429 3.1059e-08 au
q 2.519063482705534 1.8858e-07 au
i 10.22926163396883 7.6722e-06 deg
node 99.00231529379602 4.0454e-05 deg
peri 77.70330035915651 5.7176e-05 deg
M 344.0026629980649 4.1392e-05 deg
tp 2459075.816108499457
(2020-Aug-14.31610850)
0.0001953 TDB
period 1694.894535041971
4.64
2.8383e-05
7.771e-08
d
yr
n .2124025964784206 3.557e-09 deg/d
Q 3.045009663499323 3.3995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6478 days (17.74 yr)  
   first obs. used      2002-04-12  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:05:40  

Additional Information
 Earth MOID = 1.54844 au 
 Jupiter MOID = 2.00692 au 
 T_jup = 3.303 
[ 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 16.3   n/a MPO419088  

423681 (2005 YJ218)          Discovered 2005-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 YJ218 = 2007 HY66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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