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447361 (2005 YJ281)
Classification: Main-belt Asteroid          SPK-ID: 2447361
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08563037625460232 5.0904e-08  
a 2.285274718846979 1.8945e-08 au
q 2.089585784826982 1.2065e-07 au
i 9.119162805931424 6.8289e-06 deg
node 301.0411094327608 3.3292e-05 deg
peri 96.04181005517951 5.6784e-05 deg
M 129.3626787788336 4.4661e-05 deg
tp 2458547.067600334627
(2019-Mar-04.56760033)
0.00015525 TDB
period 1261.845111901339
3.45
1.5691e-05
4.296e-08
d
yr
n .2852965047806498 3.5477e-09 deg/d
Q 2.480963652866976 2.0567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5151 days (14.10 yr)  
   first obs. used      2005-12-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:09:37  

Additional Information
 Earth MOID = 1.12017 au 
 Jupiter MOID = 2.82173 au 
 T_jup = 3.581 
[ 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 17.6   n/a MPO456119  

447361 (2005 YJ281)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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