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109581 (2001 QO274)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109581
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09157931612749597 6.1334e-08  
a 3.345566088470711 2.8373e-08 au
q 3.039181434029222 2.0912e-07 au
i 12.04044559938332 6.1263e-06 deg
node 356.7744498206973 2.2213e-05 deg
peri 30.51944056704948 4.0729e-05 deg
M 330.3940081326443 3.0651e-05 deg
tp 2459184.314582294278
(2020-Nov-30.81458229)
0.00018992 TDB
period 2235.130304784831
6.12
2.8433e-05
7.785e-08
d
yr
n .1610644351380024 2.0489e-09 deg/d
Q 3.6519507429122 3.0971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      7031 days (19.25 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:09  

Additional Information
 Earth MOID = 2.04892 au 
 Jupiter MOID = 1.85001 au 
 T_jup = 3.117 
[ 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 14.1   n/a MPO474963  
diameter diameter 8.549 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109581 (2001 QO274)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QO274 = 2002 TQ294 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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