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JPL Small-Body Database Browser
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71685 (2000 FX21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2071685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02141101225609361 6.3112e-08  
a 3.238342730065092 3.4103e-08 au
q 3.169006534182236 2.0194e-07 au
i 12.30313303670698 5.0746e-06 deg
node 76.32784724328116 2.8707e-05 deg
peri 301.6585976187613 0.00012351 deg
M 267.8909908785543 0.00012175 deg
tp 2459145.105787249718
(2020-Oct-22.60578725)
0.00072162 TDB
period 2128.54405101021
5.83
3.3623e-05
9.205e-08
d
yr
n .1691296921147314 2.6716e-09 deg/d
Q 3.307678925947947 3.4833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1997-10-29  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59334  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:17:15  

Additional Information
 Earth MOID = 2.19282 au 
 Jupiter MOID = 1.84842 au 
 T_jup = 3.148 
[ 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 13.9   n/a MPO359246  
diameter diameter 7.457 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71685 (2000 FX21)          Discovered 2000-Mar-29 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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