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181028 (2005 OW9)
Classification: Main-belt Asteroid          SPK-ID: 2181028
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088253268759496 4.0748e-08  
a 2.421859185147395 1.0697e-08 au
q 1.916113649161469 9.5399e-08 au
i 3.601092197604857 4.6181e-06 deg
node 88.38246691261261 6.902e-05 deg
peri 175.416321098893 7.0187e-05 deg
M 66.55620393287541 1.1372e-05 deg
tp 2458945.988270453360
(2020-Apr-06.48827045)
4.3335e-05 TDB
period 1376.64435804057
3.77
9.1206e-06
2.497e-08
d
yr
n .2615054483006793 1.7325e-09 deg/d
Q 2.927604721133321 1.2931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:55  

Additional Information
 Earth MOID = .898688 au 
 Jupiter MOID = 2.15347 au 
 T_jup = 3.480 
[ 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 17.02   n/a E2021B55  

181028 (2005 OW9)          Discovered 2005-Jul-27 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 OW9 = 2000 AU221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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