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72616 (2001 FO21)
Classification: Main-belt Asteroid          SPK-ID: 2072616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131117856918467 4.0813e-08  
a 3.199635255158401 2.2468e-08 au
q 2.780105937581259 1.2388e-07 au
i 6.333926870926474 3.8689e-06 deg
node 111.4065349175205 5.0267e-05 deg
peri 170.2994099741068 5.5079e-05 deg
M 97.65494926105178 2.4768e-05 deg
tp 2458633.424486222731
(2019-May-29.92448622)
0.00014194 TDB
period 2090.495018476629
5.72
2.2019e-05
6.028e-08
d
yr
n .1722080161962484 1.8139e-09 deg/d
Q 3.619164572735543 2.5414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      9457 days (25.89 yr)  
   first obs. used      1995-03-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:03:04  

Additional Information
 Earth MOID = 1.76199 au 
 Jupiter MOID = 1.53114 au 
 T_jup = 3.172 
[ 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 14.3   n/a MPO493374  
diameter diameter 7.962 km 0.734 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72616 (2001 FO21)          Discovered 2001-Mar-21 by LONEOS at Anderson Mesa
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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