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109177 (2001 QL66)
Classification: Main-belt Asteroid          SPK-ID: 2109177
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166981859938185 5.4948e-08  
a 2.45811726070293 1.3524e-08 au
q 2.171259435418804 1.3123e-07 au
i 5.527978500215429 4.3417e-06 deg
node 313.1618597188747 6.5323e-05 deg
peri 116.9114377554496 6.8654e-05 deg
M 242.7422385096336 2.2689e-05 deg
tp 2459459.002195635507
(2021-Sep-01.50219564)
8.9993e-05 TDB
period 1407.674752876325
3.85
1.1617e-05
3.181e-08
d
yr
n .2557408941692006 2.1105e-09 deg/d
Q 2.744975085987056 1.5102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7424 days (20.33 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:45  

Additional Information
 Earth MOID = 1.19243 au 
 Jupiter MOID = 2.49585 au 
 T_jup = 3.476 
[ 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 15.2   n/a MPO390485  
diameter diameter 1.905 km 0.481 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.487   0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109177 (2001 QL66)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QL66 = 1999 CV27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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