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52072 (2002 QC45)
Classification: Main-belt Asteroid          SPK-ID: 2052072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09040738063655693 4.7731e-08  
a 2.723771352586684 1.269e-08 au
q 2.47752231914643 1.3235e-07 au
i 1.081641284643702 4.177e-06 deg
node 302.4271419227055 0.00025173 deg
peri 35.37955386785463 0.00025266 deg
M 342.8312881703226 2.0494e-05 deg
tp 2459078.805020771766
(2020-Aug-17.30502077)
9.3392e-05 TDB
period 1641.929095059287
4.50
1.1475e-05
3.142e-08
d
yr
n .2192542912378326 1.5323e-09 deg/d
Q 2.970020386026938 1.3838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1993-09-09  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:53:06  

Additional Information
 Earth MOID = 1.46825 au 
 Jupiter MOID = 2.33974 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457419.5 (2016-Feb-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09157486056726444 4.7814e-08  
q 2.4738255224832 1.3291e-07 au
tp 2457441.955213501039
(2016-Feb-23.45521350)
9.4119e-05 TDB
node 302.5428946274304 0.00025215 deg
peri 36.33276060772474 0.00025306 deg
i 1.080511832398517 4.1751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1993-09-09  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:53:06  

Additional Information
 Jupiter MOID = 2.33974 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.286173747841431E-15 -6.332055734384072E-15 1.563677067002119E-12 2.2583244694315E-14 3.381821297917518E-13 -2.564861169764321E-16
q -6.332055734384072E-15 1.766573126914495E-14 -4.56762477288739E-12 -5.96522622206518E-14 -9.934752830281857E-13 7.83063705155808E-16
tp 1.563677067002119E-12 -4.56762477288739E-12 8.858442852809035E-9 1.749313292618472E-11 2.047298947445647E-9 -2.73446359015315E-13
node 2.2583244694315E-14 -5.96522622206518E-14 1.749313292618472E-11 6.357947794464993E-8 -6.356368129203786E-8 4.84625560229916E-10
peri 3.381821297917518E-13 -9.934752830281857E-13 2.047298947445647E-9 -6.356368129203786E-8 6.403726536214198E-8 -4.846006326231516E-10
i -2.564861169764321E-16 7.83063705155808E-16 -2.73446359015315E-13 4.84625560229916E-10 -4.846006326231516E-10 1.743174323178392E-11

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 15.5   n/a MPO395491  
diameter diameter 2.865 km 0.886 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.113   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52072 (2002 QC45)          Discovered 2002-Aug-29 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QC45 = 2001 HU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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