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72708 (2001 FS81)
Classification: Main-belt Asteroid          SPK-ID: 2072708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05872593480468873 4.8632e-08  
a 2.829972722461539 1.7672e-08 au
q 2.663779928863216 1.3982e-07 au
i 11.98658311111227 7.459e-06 deg
node 330.4387932017951 1.8399e-05 deg
peri 254.6330170103551 6.5216e-05 deg
M 11.94470630479616 6.2454e-05 deg
tp 2459142.804123405452
(2020-Oct-20.30412341)
0.00030172 TDB
period 1738.888763275616
4.76
1.6288e-05
4.459e-08
d
yr
n .2070287689488851 1.9392e-09 deg/d
Q 2.996165516059863 1.8709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      21792 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:03:36  

Additional Information
 Earth MOID = 1.68641 au 
 Jupiter MOID = 2.07309 au 
 T_jup = 3.279 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.65   n/a E2021B10  
diameter diameter 3.833 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72708 (2001 FS81)          Discovered 2001-Mar-23 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FS81 = 1999 XN211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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