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15311 (1993 FZ22)
Classification: Main-belt Asteroid          SPK-ID: 2015311
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885432440663886 3.2268e-08  
a 2.252763375784567 7.6546e-09 au
q 1.828020060800196 7.417e-08 au
i 1.330972381404912 3.0695e-06 deg
node 263.1083563276023 0.00017022 deg
peri 46.55216696823711 0.00017046 deg
M 275.6050935818116 1.0353e-05 deg
tp 2459290.024638175819
(2021-Mar-16.52463818)		 3.607e-05 TDB
period 1235.013748659504
3.38		 6.2946e-06
1.723e-08		 d
yr
n .2914947306382195 1.4857e-09 deg/d
Q 2.677506690768938 9.0978e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      9900 days (27.10 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:09:39  

Additional Information
 Earth MOID = .813778 au 
 Jupiter MOID = 2.57835 au 
 T_jup = 3.602 
[ 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 15.3   n/a MPO319275  

15311 (1993 FZ22)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 FZ22 = 1997 QE4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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