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385530 (2004 PQ26)
Classification: Inner Main-belt Asteroid          SPK-ID: 2385530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06022999211236505 6.7364e-08  
a 1.934820496179004 1.6952e-08 au
q 1.8182862729553 1.3222e-07 au
i 24.4776485512249 8.1015e-06 deg
node 135.4832797736441 1.4837e-05 deg
peri 76.94270153266359 0.00010384 deg
M 198.0136459506875 9.0838e-05 deg
tp 2459838.818776544966
(2022-Sep-16.31877655)
0.00024565 TDB
period 983.0134179556436
2.69
1.2919e-05
3.537e-08
d
yr
n .366220840350975 4.813e-09 deg/d
Q 2.051354719402708 1.7973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5213 days (14.27 yr)  
   first obs. used      2004-08-08  
   last obs. used      2018-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:42  

Additional Information
 Earth MOID = .898473 au 
 Jupiter MOID = 3.02931 au 
 T_jup = 3.797 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05974952920169295 6.7447e-08  
q 1.819521362131803 1.3243e-07 au
tp 2456889.376554576468
(2014-Aug-19.87655458)
0.00026628 TDB
node 135.5125582193266 1.4837e-05 deg
peri 76.99675707963269 0.00010469 deg
i 24.47607651080802 8.1009e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5213 days (14.27 yr)  
   first obs. used      2004-08-08  
   last obs. used      2018-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:42  

Additional Information
 Jupiter MOID = 3.02931 au 
 T_jup = 3.797 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.549076388057978E-15 -8.866717481727383E-15 3.985705640909421E-12 3.538131365176271E-15 1.760823989859267E-12 -9.16604649980302E-14
q -8.866717481727383E-15 1.753713791351567E-14 -9.952004214171475E-12 -6.11100226785276E-15 -4.275946982686847E-12 1.79921243067953E-13
tp 3.985705640909421E-12 -9.952004214171475E-12 7.090545021065485E-8 9.380830732947569E-11 2.760206711401073E-8 -1.300290134319926E-12
node 3.538131365176271E-15 -6.11100226785276E-15 9.380830732947569E-11 2.201281871395224E-10 -1.629962048445367E-10 1.485913256189787E-11
peri 1.760823989859267E-12 -4.275946982686847E-12 2.760206711401073E-8 -1.629962048445367E-10 1.095937108575223E-8 -1.891370372601611E-11
i -9.16604649980302E-14 1.79921243067953E-13 -1.300290134319926E-12 1.485913256189787E-11 -1.891370372601611E-11 6.56252743559487E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO413423  

385530 (2004 PQ26)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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