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347956 (2003 QP61)
Classification: Main-belt Asteroid          SPK-ID: 2347956
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366690235450682 9.3352e-08  
a 2.196423952017496 9.8652e-09 au
q 1.676598440002516 2.0554e-07 au
i 7.339838616753822 8.5262e-06 deg
node 145.3434951265168 5.7623e-05 deg
peri 192.0103186728866 5.9122e-05 deg
M 62.03111469097269 1.5061e-05 deg
tp 2458795.629339252793
(2019-Nov-08.12933925)
4.9148e-05 TDB
period 1188.974891655908
3.26
8.0104e-06
2.193e-08
d
yr
n .3027818354503862 2.0399e-09 deg/d
Q 2.716249464032476 1.22e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:34:01  

Additional Information
 Earth MOID = .667809 au 
 Jupiter MOID = 2.67233 au 
 T_jup = 3.621 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456692.5 (2014-Feb-04.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236024093337122 9.2979e-08  
q 1.67852794718885 2.0452e-07 au
tp 2456417.202571708715
(2013-May-04.70257171)
4.5398e-05 TDB
node 145.4038013375178 5.7691e-05 deg
peri 191.9202387673799 5.921e-05 deg
i 7.333724428945512 8.5172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:34:01  

Additional Information
 Jupiter MOID = 2.67233 au 
 T_jup = 3.621 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.64501222430668E-15 -1.900256415508865E-14 1.872159535282279E-12 1.514039290454152E-13 1.454818409064145E-13 -3.662307222324234E-14
q -1.900256415508865E-14 4.182673563662204E-14 -4.07323781970587E-12 -3.352463317017656E-13 -3.027504878961626E-13 8.046316705073697E-14
tp 1.872159535282279E-12 -4.07323781970587E-12 2.060950415611879E-9 3.006860617716149E-11 6.167850012420862E-10 -1.689480195439284E-11
node 1.514039290454152E-13 -3.352463317017656E-13 3.006860617716149E-11 3.328225012006965E-9 -3.297037453904652E-9 2.246393084548082E-10
peri 1.454818409064145E-13 -3.027504878961626E-13 6.167850012420862E-10 -3.297037453904652E-9 3.505829958886208E-9 -2.273072362921632E-10
i -3.662307222324234E-14 8.046316705073697E-14 -1.689480195439284E-11 2.246393084548082E-10 -2.273072362921632E-10 7.254300679186165E-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 17.6   n/a MPO437473  

347956 (2003 QP61)          Discovered 2003-Aug-23 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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