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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03813761584108877 4.2413e-08  
a 2.187772232429385 8.8846e-09 au
q 2.104335815481192 9.6574e-08 au
i 3.185570240130593 3.9131e-06 deg
node 171.8731664887316 6.9465e-05 deg
peri 299.9703561352829 8.5046e-05 deg
M 13.04691049338511 4.8345e-05 deg
tp 2458957.664211270230
(2020-Apr-18.16421127)
0.00015874 TDB
period 1181.956751411443
3.24
7.1999e-06
1.971e-08
d
yr
n .3045796722850503 1.8554e-09 deg/d
Q 2.271208649377578 9.2234e-09 au
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:45  

Additional Information
 Earth MOID = 1.12284 au 
 Jupiter MOID = 2.74297 au 
 T_jup = 3.672 
[ 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-August); 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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