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227038 (2005 AU54)
Classification: Outer Main-belt Asteroid          SPK-ID: 2227038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0497373280508388 7.4103e-08  
a 3.242446255111956 3.5384e-08 au
q 3.081175642034239 2.3615e-07 au
i 13.8857530602564 7.9672e-06 deg
node 32.47588677799202 1.9499e-05 deg
peri 173.5997341020104 5.0248e-05 deg
M 170.3327064806674 4.8456e-05 deg
tp 2458191.472151708838
(2018-Mar-13.97215171)
0.00028113 TDB
period 2132.591167545657
5.84
3.4908e-05
9.557e-08
d
yr
n .1688087269039543 2.7632e-09 deg/d
Q 3.403716868189674 3.7143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7612 days (20.84 yr)  
   first obs. used      2000-03-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:35  

Additional Information
 Earth MOID = 2.07553 au 
 Jupiter MOID = 1.55542 au 
 T_jup = 3.136 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.87   n/a E2021B55  
diameter diameter 6.853 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227038 (2005 AU54)          Discovered 2005-Jan-15 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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