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40806 (1999 TX41)
Classification: Main-belt Asteroid          SPK-ID: 2040806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626074365602352 4.0625e-08  
a 2.362796979003133 7.5282e-09 au
q 1.978588619135166 9.8121e-08 au
i 1.641322611213879 3.9001e-06 deg
node 250.476399544771 0.0001416 deg
peri 356.1444037135539 0.00014215 deg
M 340.4611661918622 1.252e-05 deg
tp 2459072.500278348779
(2020-Aug-11.00027835)
4.6128e-05 TDB
period 1326.594026034698
3.63
6.3401e-06
1.736e-08
d
yr
n .2713716426690616 1.2969e-09 deg/d
Q 2.747005338871101 8.7524e-09 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      10181 days (27.87 yr)  
   first obs. used      1992-10-21  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:14:48  

Additional Information
 Earth MOID = .965012 au 
 Jupiter MOID = 2.2776 au 
 T_jup = 3.531 
[ 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 16.2   n/a MPO426190  
rotation period rot_per 6.41500 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

40806 (1999 TX41)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TX41 = 1998 EB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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