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227129 (2005 OE9)
Classification: Main-belt Asteroid          SPK-ID: 2227129
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353710602450877 5.0625e-08  
a 2.348420343340659 1.0923e-08 au
q 1.795670157227435 1.182e-07 au
i 5.050798967852799 7.2405e-06 deg
node 356.4049420257711 5.3011e-05 deg
peri 316.5446960754321 5.5265e-05 deg
M 99.85177932351125 1.7143e-05 deg
tp 2458835.900989986977
(2019-Dec-18.40098999)
6.0986e-05 TDB
period 1314.504803959788
3.60
9.1714e-06
2.511e-08
d
yr
n .2738673901499206 1.9108e-09 deg/d
Q 2.901170529453883 1.3494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      8139 days (22.28 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:33  

Additional Information
 Earth MOID = .784028 au 
 Jupiter MOID = 2.4028 au 
 T_jup = 3.516 
[ 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 17.0   n/a MPO475859  
diameter diameter 2.251 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.045   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227129 (2005 OE9)          Discovered 2005-Jul-26 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 OE9 = 1998 SO154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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