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344992 (2005 AQ20)
Classification: Main-belt Asteroid          SPK-ID: 2344992
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08599482215142074 4.6192e-08  
a 2.634499523180186 2.8256e-08 au
q 2.407946205226303 1.2799e-07 au
i 15.45959764318227 6.3734e-06 deg
node 112.4444405462157 2.021e-05 deg
peri 100.6858777228048 4.8879e-05 deg
M 129.0664932465012 4.6831e-05 deg
tp 2458440.540492437502
(2018-Nov-18.04049244)
0.00019818 TDB
period 1561.872625899085
4.28
2.5127e-05
6.879e-08
d
yr
n .2304925472349371 3.7082e-09 deg/d
Q 2.861052841134069 3.0686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:24  

Additional Information
 Earth MOID = 1.45402 au 
 Jupiter MOID = 2.29769 au 
 T_jup = 3.342 
[ 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 15.8   n/a MPO437461  
diameter diameter 2.073 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344992 (2005 AQ20)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2005 AQ20 = 2001 DE103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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