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447130 (2004 XJ9)
Classification: Main-belt Asteroid          SPK-ID: 2447130
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .297853850464013 7.2415e-08  
a 3.175936198480958 3.407e-08 au
q 2.229971372935365 2.3446e-07 au
i 11.86835151925701 9.6505e-06 deg
node 264.5207847032009 3.5518e-05 deg
peri 102.654466271516 3.9527e-05 deg
M 308.8945191664349 1.4567e-05 deg
tp 2459293.974964523650
(2021-Mar-20.47496452)
8.6348e-05 TDB
period 2067.312262897727
5.66
3.3266e-05
9.108e-08
d
yr
n .1741391498812049 2.8021e-09 deg/d
Q 4.12190102402655 4.4218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:24:04  

Additional Information
 Earth MOID = 1.26561 au 
 Jupiter MOID = 1.69697 au 
 T_jup = 3.098 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457206.5 (2015-Jul-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3015802245396497 7.2036e-08  
q 2.211788886869615 2.3286e-07 au
tp 2457235.832958369614
(2015-Aug-01.33295837)
7.2812e-05 TDB
node 264.5969049667527 3.5597e-05 deg
peri 103.0781887123442 3.951e-05 deg
i 11.87159305633105 9.66e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:24:04  

Additional Information
 Jupiter MOID = 1.69697 au 
 T_jup = 3.098 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.189130505124245E-15 -1.669317230861111E-14 1.341102707674842E-12 -4.741200197126513E-14 2.015841318624897E-13 -1.409580365405698E-14
q -1.669317230861111E-14 5.422545134973497E-14 -4.031234426725133E-12 1.547597083407521E-13 -6.054253461379206E-13 4.481229879895249E-14
tp 1.341102707674842E-12 -4.031234426725133E-12 5.301554803661544E-9 -2.273391076600941E-11 1.287125898892045E-9 -9.536452689997137E-12
node -4.741200197126513E-14 1.547597083407521E-13 -2.273391076600941E-11 1.26711127947966E-9 -1.243832139865364E-9 -1.148176760828988E-10
peri 2.015841318624897E-13 -6.054253461379206E-13 1.287125898892045E-9 -1.243832139865364E-9 1.561010956497617E-9 1.102870717665537E-10
i -1.409580365405698E-14 4.481229879895249E-14 -9.536452689997137E-12 -1.148176760828988E-10 1.102870717665537E-10 9.331542183024526E-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 15.7   n/a MPO437739  

447130 (2004 XJ9)          Discovered 2004-Dec-02 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 XJ9 = 2009 PP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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