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172455 (2003 QT107)
Classification: Main-belt Asteroid          SPK-ID: 2172455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989065490745026 4.2614e-08  
a 2.290627939448119 1.3111e-08 au
q 1.835007040798855 9.7734e-08 au
i 4.087734096715667 4.5425e-06 deg
node 269.4786818348401 9.4999e-05 deg
peri 40.01962732207389 9.6865e-05 deg
M 325.2047542129071 2.1971e-05 deg
tp 2459122.890487645071
(2020-Sep-30.39048765)
7.7945e-05 TDB
period 1266.281486322182
3.47
1.0872e-05
2.977e-08
d
yr
n .2842969781115512 2.4409e-09 deg/d
Q 2.746248838097383 1.5719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      5675 days (15.54 yr)  
   first obs. used      2003-07-30  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:26  

Additional Information
 Earth MOID = .822623 au 
 Jupiter MOID = 2.51511 au 
 T_jup = 3.569 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO376214  
diameter diameter 1.163 km 0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172455 (2003 QT107)          Discovered 2003-Aug-30 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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