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JPL Small-Body Database Browser
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461507 (2003 QQ44)
Classification: Main-belt Asteroid          SPK-ID: 2461507
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .265080074300413 1.4623e-07  
a 2.281934507622623 2.7928e-08 au
q 1.677039138793342 3.1792e-07 au
i 6.508251715411533 1.856e-05 deg
node 2.928110488501957 7.0309e-05 deg
peri 310.6819964023799 9.2196e-05 deg
M 207.9350874223942 6.4757e-05 deg
tp 2459132.338418678727
(2020-Oct-09.83841868)
0.00023522 TDB
period 1259.079609351894
3.45
2.3114e-05
6.328e-08
d
yr
n .2859231436408605 5.249e-09 deg/d
Q 2.886829876451904 3.5331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5180 days (14.18 yr)  
   first obs. used      2003-08-23  
   last obs. used      2017-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57198  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-07 18:13:31  

Additional Information
 Earth MOID = .671748 au 
 Jupiter MOID = 2.43474 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2656507925789862 1.4574e-07  
q 1.675805085444293 3.1625e-07 au
tp 2456612.179474392216
(2013-Nov-15.67947439)
0.0001922 TDB
node 2.97926585517631 7.0427e-05 deg
peri 310.3798191781696 9.2056e-05 deg
i 6.505301075037068 1.8538e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5180 days (14.18 yr)  
   first obs. used      2003-08-23  
   last obs. used      2017-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57198  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-07 18:13:31  

Additional Information
 Jupiter MOID = 2.43474 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.123965426021733E-14 -4.604862723130468E-14 2.344599167136749E-11 -1.275799284961117E-14 6.831613467502684E-12 -1.645602023647448E-13
q -4.604862723130468E-14 1.000128363628834E-13 -4.996933584302772E-11 3.945314689441306E-14 -1.451389553346103E-11 3.543806330754451E-13
tp 2.344599167136749E-11 -4.996933584302772E-11 3.694019198966135E-8 6.814626944746361E-11 1.13867638511099E-8 -2.216613177697371E-10
node -1.275799284961117E-14 3.945314689441306E-14 6.814626944746361E-11 4.959908392797481E-9 -4.903421450459052E-9 6.238758727914535E-10
peri 6.831613467502684E-12 -1.451389553346103E-11 1.13867638511099E-8 -4.903421450459052E-9 8.474380988744109E-9 -6.872107028951441E-10
i -1.645602023647448E-13 3.543806330754451E-13 -2.216613177697371E-10 6.238758727914535E-10 -6.872107028951441E-10 3.436538520250273E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO428089  

461507 (2003 QQ44)          Discovered 2003-Aug-23 by NEAT at Palomar
Reference: Last Updated: 2016-03-24

Alternate Designations
 2003 QQ44 = 2010 RP68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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