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JPL Small-Body Database Browser
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136865 (1998 FE41)
Classification: Main-belt Asteroid          SPK-ID: 2136865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03813615200432107 5.0759e-08  
a 2.187425885814189 1.2186e-08 au
q 2.104005879734593 1.1015e-07 au
i 3.185703905699696 5.6009e-06 deg
node 171.8814979069746 7.633e-05 deg
peri 300.3207928267778 0.00010029 deg
M 250.8585455686825 6.8406e-05 deg
tp 2458958.749575008006
(2020-Apr-19.24957501)
0.0002259 TDB
period 1181.676088841592
3.24
9.8743e-06
2.703e-08
d
yr
n .3046520136943038 2.5457e-09 deg/d
Q 2.270845891893786 1.265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      7393 days (20.24 yr)  
   first obs. used      1998-03-20  
   last obs. used      2018-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:34:24  

Additional Information
 Earth MOID = 1.12276 au 
 Jupiter MOID = 2.74433 au 
 T_jup = 3.673 
[ 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 16.2   n/a MPO296975  
rotation period rot_per 4.348 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

136865 (1998 FE41)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 FE41 = 2001 BO58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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