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115042 (2003 QT112)
Classification: Main-belt Asteroid          SPK-ID: 2115042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06704669157708651 4.3545e-08  
a 2.683600222601354 1.9381e-08 au
q 2.5036737061604 1.2706e-07 au
i 21.04935505705872 4.9483e-06 deg
node 263.4536819714542 1.3514e-05 deg
peri 134.9072478066449 5.0932e-05 deg
M 311.6311339562806 4.8918e-05 deg
tp 2459416.243917724367
(2021-Jul-20.74391772)
0.0002189 TDB
period 1605.739739909758
4.40
1.7395e-05
4.762e-08
d
yr
n .2241957342478376 2.4288e-09 deg/d
Q 2.863526739042307 2.0681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1999-12-15  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:41:46  

Additional Information
 Earth MOID = 1.54375 au 
 Jupiter MOID = 2.46692 au 
 T_jup = 3.276 
[ 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 14.49   n/a E2021B55  
diameter diameter 3.871 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115042 (2003 QT112)          Discovered 2003-Aug-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 QT112 = 2000 AU256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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