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JPL Small-Body Database Browser
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447184 (2005 ST85)
Classification: Main-belt Asteroid          SPK-ID: 2447184
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 .1529192567614896 4.1201e-07  
a 2.907231915569353 5.2834e-08 au
q 2.462660171807205 1.1705e-06 au
i 1.606911258634123 2.5859e-05 deg
node 162.9595581657391 0.000826 deg
peri 212.1543630686163 0.00082708 deg
M 344.7364907036583 4.781e-05 deg
tp 2459077.266163763213
(2020-Aug-15.76616376)
0.00024189 TDB
period 1810.580936415465
4.96
4.9357e-05
1.351e-07
d
yr
n .1988312108889854 5.4202e-09 deg/d
Q 3.3518036593315 6.0914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2005-09-24  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:44:26  

Additional Information
 Earth MOID = 1.46386 au 
 Jupiter MOID = 2.11099 au 
 T_jup = 3.267 
[ 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 17.2   n/a MPO446774  

447184 (2005 ST85)          Discovered 2005-Sep-24 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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