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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885432454310729 3.1964e-08  
a 2.252763376025369 7.5991e-09 au
q 1.828020057921286 7.3596e-08 au
i 1.330971910785147 3.026e-06 deg
node 263.1083397215359 0.0001692 deg
peri 46.55218348835973 0.00016944 deg
M 275.6050934503205 1.0349e-05 deg
tp 2459290.024638673334
(2021-Mar-16.52463867)
3.6053e-05 TDB
period 1235.013748857524
3.38
6.249e-06
1.711e-08
d
yr
n .2914947305914818 1.4749e-09 deg/d
Q 2.677506694129453 9.0318e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      9957 days (27.26 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:34:27  

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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