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52073 (2002 QD45)
Classification: Main-belt Asteroid          SPK-ID: 2052073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194978204868678 3.7875e-08  
a 2.670885987823931 1.5192e-08 au
q 2.351720933510057 9.7814e-08 au
i .7532954868445545 4.4542e-06 deg
node 253.065029432327 0.00036644 deg
peri 27.30085665274585 0.00036731 deg
M 160.7389784664864 2.8493e-05 deg
tp 2458684.630879363431
(2019-Jul-20.13087936)
0.00012328 TDB
period 1594.341869496184
4.37
1.3603e-05
3.724e-08
d
yr
n .2257984983570436 1.9265e-09 deg/d
Q 2.990051042137806 1.7007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1993-06-22  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:52  

Additional Information
 Earth MOID = 1.33506 au 
 Jupiter MOID = 2.12281 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457303.5 (2015-Oct-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197530655816772 3.7771e-08  
q 2.351351619760904 9.7556e-08 au
tp 2457093.172133752823
(2015-Mar-11.67213375)
0.00011784 TDB
node 253.1086596586628 0.00036701 deg
peri 27.88458108984145 0.00036788 deg
i .752256451118384 4.4548e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1993-06-22  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:52  

Additional Information
 Jupiter MOID = 2.12281 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.426680876367261E-15 -3.653447869442198E-15 7.664389999933221E-13 -1.59570656050451E-16 1.280091085851565E-13 2.707500100171982E-17
q -3.653447869442198E-15 9.517077765982133E-15 -1.500061426187121E-12 -2.912613291199238E-16 -2.246918153307075E-13 -6.844508862910427E-17
tp 7.664389999933221E-13 -1.500061426187121E-12 1.38860749058025E-8 -2.420960467008301E-11 3.015577473091105E-9 6.636675069465548E-14
node -1.59570656050451E-16 -2.912613291199238E-16 -2.420960467008301E-11 1.346967914456397E-7 -1.34690044960885E-7 -4.929624394363908E-10
peri 1.280091085851565E-13 -2.246918153307075E-13 3.015577473091105E-9 -1.34690044960885E-7 1.353388436303377E-7 4.929287062941782E-10
i 2.707500100171982E-17 -6.844508862910427E-17 6.636675069465548E-14 -4.929624394363908E-10 4.929287062941782E-10 1.984548777896351E-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 15.48   n/a MPCxxxxx  
diameter diameter 2.668 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52073 (2002 QD45)          Discovered 2002-Aug-29 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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