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72610 (2001 FJ18)
Classification: Main-belt Asteroid          SPK-ID: 2072610
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02654194313548675 4.3825e-08  
a 2.755988517193694 1.628e-08 au
q 2.682839226688284 1.228e-07 au
i 6.93469833796141 5.3821e-06 deg
node 213.7969120979166 3.2196e-05 deg
peri 156.2164646188362 9.1903e-05 deg
M 293.6714927610043 8.6834e-05 deg
tp 2459508.401819349384
(2021-Oct-20.90181935)
0.00040374 TDB
period 1671.146533818126
4.58
1.4808e-05
4.054e-08
d
yr
n .2154209656154422 1.9088e-09 deg/d
Q 2.829137807699103 1.6712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      8451 days (23.14 yr)  
   first obs. used      1997-06-30  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:03:02  

Additional Information
 Earth MOID = 1.68285 au 
 Jupiter MOID = 2.27825 au 
 T_jup = 3.332 
[ 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 15.1   n/a MPO432280  
diameter diameter 4.243 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 99.4922 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.089   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72610 (2001 FJ18)          Discovered 2001-Mar-19 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FJ18 = 1998 RL31 = 2000 AF109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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