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447227 (2005 UZ81)
Classification: Main-belt Asteroid          SPK-ID: 2447227
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04799280193638811 2.4064e-07  
a 2.880885306347619 8.1488e-08 au
q 2.742623548438627 6.4609e-07 au
i 1.069772015123297 1.3554e-05 deg
node 249.2389445396376 0.00068102 deg
peri 185.0982340239457 0.0009308 deg
M 312.704500355362 0.00059516 deg
tp 2459235.141429989945
(2021-Jan-20.64142999)
0.0029465 TDB
period 1786.024366611315
4.89
7.5779e-05
2.075e-07
d
yr
n .2015649991847761 8.5521e-09 deg/d
Q 3.019147064256611 8.5399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      5075 days (13.89 yr)  
   first obs. used      2003-04-01  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6476  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:36  

Additional Information
 Earth MOID = 1.75747 au 
 Jupiter MOID = 2.11008 au 
 T_jup = 3.292 
[ 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 17.5   n/a MPO495220  

447227 (2005 UZ81)          Discovered 2005-Oct-11 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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