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503960 (2004 QF1)
Classification: Apollo [NEO]          SPK-ID: 2503960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 174 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .290605734554179 7.7797e-08  
a 1.051146047951529 2.432e-09 au
q .7456769785628526 8.0632e-08 au
i 17.82696883337256 7.4754e-06 deg
node 332.9303307857797 8.056e-06 deg
peri 174.0444185631981 2.1047e-05 deg
M 284.6040207833797 3.1574e-05 deg
tp 2459282.940137006886
(2021-Mar-09.44013701)
3.4295e-05 TDB
period 393.634377202128
1.08
1.3661e-06
3.74e-09
d
yr
n .9145542687577386 3.174e-09 deg/d
Q 1.356615117340205 3.1388e-09 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      6130 days (16.78 yr)  
   first obs. used      2004-08-19  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:58  

Additional Information
 Earth MOID = .242692 au 
 Jupiter MOID = 3.64709 au 
 T_jup = 5.769 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457839.5 (2017-Mar-27.0) TDB
Reference: JPL 174 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2904011651395149 7.7413e-08  
q .7457990610578498 8.0661e-08 au
tp 2457708.564362155001
(2016-Nov-16.06436215)
3.7815e-05 TDB
node 332.9575811371167 8.0552e-06 deg
peri 174.040594262598 2.1108e-05 deg
i 17.827099978209 7.4742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      6130 days (16.78 yr)  
   first obs. used      2004-08-19  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:58  

Additional Information
 Jupiter MOID = 3.64709 au 
 T_jup = 5.769 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.99284363871551E-15 -6.243770137523568E-15 -1.836032136479339E-12 5.368922323914943E-14 -8.542357716784808E-13 8.936367205026023E-14
q -6.243770137523568E-15 6.506241123562188E-15 1.898799907053892E-12 -5.564733682193716E-14 8.823543331381174E-13 -9.440970006267229E-14
tp -1.836032136479339E-12 1.898799907053892E-12 1.429944267565701E-9 -4.385155016934527E-11 7.392714945425488E-10 4.198135645093741E-11
node 5.368922323914943E-14 -5.564733682193716E-14 -4.385155016934527E-11 6.48856859597539E-11 -8.226324852497525E-11 2.079591102707789E-11
peri -8.542357716784808E-13 8.823543331381174E-13 7.392714945425488E-10 -8.226324852497525E-11 4.455500678302797E-10 3.694991429648563E-12
i 8.936367205026023E-14 -9.440970006267229E-14 4.198135645093741E-11 2.079591102707789E-11 3.694991429648563E-12 5.586439424904869E-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 18.27   n/a E2021B25  
rotation period rot_per 5.693 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 23-34.]

503960 (2004 QF1)          Discovered 2004-Aug-19 by LINEAR at Socorro
Reference: Last Updated: 2017-11-07

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