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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09157931581000466 6.111e-08  
a 3.345566088011439 2.781e-08 au
q 3.039181434674197 2.0875e-07 au
i 12.04044573172308 6.0494e-06 deg
node 356.7744488246349 2.1367e-05 deg
peri 30.51944115953474 4.0227e-05 deg
M 330.3940086418711 3.0273e-05 deg
tp 2459184.314579094793
(2020-Nov-30.81457909)
0.00018749 TDB
period 2235.13030432458
6.12
2.7869e-05
7.63e-08
d
yr
n .1610644351711683 2.0083e-09 deg/d
Q 3.65195074134868 3.0357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      7053 days (19.31 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:36:48  

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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