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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 172 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2906057292946311 8.3504e-08  
a 1.051146047939387 2.5932e-09 au
q .7456769840827924 8.6479e-08 au
i 17.82696848226621 7.5119e-06 deg
node 332.9303306965564 8.0604e-06 deg
peri 174.0444184406775 2.2519e-05 deg
M 284.6040208133864 3.4486e-05 deg
tp 2459282.940136972647
(2021-Mar-09.44013697)		 3.7455e-05 TDB
period 393.6343771953075
1.08		 1.4567e-06
3.988e-09		 d
yr
n .9145542687735848 3.3843e-09 deg/d
Q 1.356615111795982 3.3468e-09 au
   Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      6019 days (16.48 yr)  
   first obs. used      2004-08-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:18:00  

Additional Information
 Earth MOID = .242692 au 
 Jupiter MOID = 3.64709 au 
 T_jup = 5.769 
[ show covariance matrix ]

[ 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

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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