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266628 (2008 QT30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266628
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0646213900250998 5.8283e-08  
a 3.341646306201209 5.7781e-08 au
q 3.125704476922247 2.0498e-07 au
i 6.849393926361622 6.7649e-06 deg
node 271.2653354422694 6.0002e-05 deg
peri 165.052955917174 8.6053e-05 deg
M 246.1430445369709 6.0115e-05 deg
tp 2459706.161158525593
(2022-May-06.66115853)
0.00037429 TDB
period 2231.203320307498
6.11
5.787e-05
1.584e-07
d
yr
n .1613479133539412 4.1848e-09 deg/d
Q 3.557588135480171 6.1515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      7835 days (21.45 yr)  
   first obs. used      1996-10-09  
   last obs. used      2018-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63972  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:15:00  

Additional Information
 Earth MOID = 2.14173 au 
 Jupiter MOID = 1.65268 au 
 T_jup = 3.145 
[ 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 MPO433731  
diameter diameter 5.148 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266628 (2008 QT30)          Discovered 2008-Aug-30 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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