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268495 (2005 YO44)
Classification: Main-belt Asteroid          SPK-ID: 2268495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365169613322686 5.8064e-08  
a 2.633464559097673 1.9643e-08 au
q 2.273951979713436 1.5737e-07 au
i 9.049884764687436 4.8839e-06 deg
node 114.8192561791623 3.7609e-05 deg
peri 242.8659329929786 4.0942e-05 deg
M 227.0044724313544 1.8806e-05 deg
tp 2459577.165778783882
(2021-Dec-28.66577878)
8.4059e-05 TDB
period 1560.952342965405
4.27
1.7465e-05
4.782e-08
d
yr
n .2306284375832341 2.5804e-09 deg/d
Q 2.992977138481909 2.2325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1999-05-21  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:35  

Additional Information
 Earth MOID = 1.2856 au 
 Jupiter MOID = 2.46102 au 
 T_jup = 3.368 
[ 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 16.4   n/a MPO427488  
diameter diameter 2.648 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268495 (2005 YO44)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 YO44 = 2000 TE21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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