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JPL Small-Body Database Browser
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109603 (2001 QD283)
Classification: Main-belt Asteroid          SPK-ID: 2109603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2089511249837199 6.8126e-08  
a 2.367465689512523 1.6179e-08 au
q 1.872781070328523 1.6645e-07 au
i 25.78389759702939 7.6473e-06 deg
node 292.4288829975801 1.3539e-05 deg
peri 162.2237254651228 2.244e-05 deg
M 200.4901091248672 2.2512e-05 deg
tp 2459190.034308838427
(2020-Dec-06.53430884)
8.7168e-05 TDB
period 1330.527843868771
3.64
1.3639e-05
3.734e-08
d
yr
n .270569309510449 2.7735e-09 deg/d
Q 2.862150308696523 1.9559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1998-11-17  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:52:54  

Additional Information
 Earth MOID = .898314 au 
 Jupiter MOID = 2.32393 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457450.5 (2016-Mar-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085841650308665 6.7883e-08  
q 1.873918438226139 1.6574e-07 au
tp 2457858.469393712657
(2017-Apr-14.96939371)
7.8845e-05 TDB
node 292.5023743087981 1.3548e-05 deg
peri 161.9742926483792 2.2499e-05 deg
i 25.76156026496977 7.6464e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1998-11-17  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:52:54  

Additional Information
 Jupiter MOID = 2.32393 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.608069412631113E-15 -1.12214179717384E-14 -8.242947795182519E-13 6.58881631965847E-15 3.536135694387176E-14 -1.87873274236091E-14
q -1.12214179717384E-14 2.746813162773327E-14 2.543993185070616E-12 -1.304001250992274E-14 2.610778906489385E-14 5.050568574921181E-14
tp -8.242947795182519E-13 2.543993185070616E-12 6.216458892205015E-9 4.079675698311313E-11 1.41876669893739E-9 5.153408470076312E-11
node 6.58881631965847E-15 -1.304001250992274E-14 4.079675698311313E-11 1.835556272863556E-10 -1.544712813881013E-10 2.246212299500387E-11
peri 3.536135694387176E-14 2.610778906489385E-14 1.41876669893739E-9 -1.544712813881013E-10 5.062018617427627E-10 -9.240606695154358E-12
i -1.87873274236091E-14 5.050568574921181E-14 5.153408470076312E-11 2.246212299500387E-11 -9.240606695154358E-12 5.846762855053965E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO493618  
diameter diameter 3.439 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109603 (2001 QD283)          Discovered 2001-Aug-18 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QD283 = 1999 EU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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