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85221 (1993 FX13)
Classification: Main-belt Asteroid          SPK-ID: 2085221
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489409149661522 5.3213e-08  
a 2.243804628635697 1.2366e-08 au
q 1.909610314241409 1.2425e-07 au
i 5.211740021538878 5.4753e-06 deg
node 144.0690931898416 4.0723e-05 deg
peri 169.0557134361856 4.3333e-05 deg
M 278.2737432940156 1.5269e-05 deg
tp 2459279.198796247386
(2021-Mar-05.69879625)
5.2584e-05 TDB
period 1227.654008552093
3.36
1.0148e-05
2.778e-08
d
yr
n .2932422307035738 2.4241e-09 deg/d
Q 2.577998943029985 1.4207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:40  

Additional Information
 Earth MOID = .895955 au 
 Jupiter MOID = 2.68065 au 
 T_jup = 3.612 
[ 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 16.2   n/a MPO417411  

85221 (1993 FX13)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Oct-07 02:09 < 00:01 Hebe 0.0285760694592063 0.0285567817334473 0.0285953573892083 4.88777137776627 4.88777133325764 2425526.589438502 0.633425348577818 968.999033375167 59.9997924762464 -7.17942382417448 9916.56978630014 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:41 2020-Nov-12 21:01
1982-May-17 00:17 < 00:01 Eunom 0.0263257465692881 0.0263189155989509 0.0263325775563628 5.9564579793164 5.95645788979536 2445106.511892143 0.671753229978276 342.096950457619 43.9736866193885 5.63554543472361 14434.5229027835 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:41 2020-Nov-12 21:01

Alternate Designations
 1993 FX13 = 2000 KE82 = 2001 XM204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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