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72731 (2001 FM100)
Classification: Main-belt Asteroid          SPK-ID: 2072731
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08385560704559007 4.5598e-08  
a 2.619672812667176 1.2475e-08 au
q 2.399998558700142 1.1468e-07 au
i 13.27223315429565 3.4523e-06 deg
node 305.7586593766606 1.7431e-05 deg
peri 17.59296920910534 3.3115e-05 deg
M 83.02416509621241 2.6372e-05 deg
tp 2458843.333249586875
(2019-Dec-25.83324959)
0.00011331 TDB
period 1548.706090566769
4.24
1.1063e-05
3.029e-08
d
yr
n .2324521109542827 1.6605e-09 deg/d
Q 2.839347066634211 1.3521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:03:44  

Additional Information
 Earth MOID = 1.38749 au 
 Jupiter MOID = 2.43725 au 
 T_jup = 3.363 
[ 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 14.31   n/a E2021B10  
diameter diameter 3.703 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.324   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72731 (2001 FM100)          Discovered 2001-Mar-17 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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