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308110 (2004 XF4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2308110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .07787143802505503 5.1367e-08  
a 1.956703572255001 1.3035e-08 au
q 1.804332251294742 1.0096e-07 au
i 21.30871591883606 7.0534e-06 deg
node 219.9975312744233 1.6292e-05 deg
peri 276.4078551052238 6.2688e-05 deg
M 182.3125965597647 5.3842e-05 deg
tp 2459493.946558019919
(2021-Oct-06.44655802)
0.00014814 TDB
period 999.7375021967706
2.74
9.9896e-06
2.735e-08
d
yr
n .3600945240215105 3.5981e-09 deg/d
Q 2.109074893215259 1.405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6917 days (18.94 yr)  
   first obs. used      2000-05-01  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:14:58  

Additional Information
 Earth MOID = .893111 au 
 Jupiter MOID = 2.97883 au 
 T_jup = 3.798 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO471231  

308110 (2004 XF4)          Discovered 2004-Dec-01 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2004 XF4 = 2011 FS145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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