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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629065555187792 4.0618e-08  
a 2.363574225260366 7.5331e-09 au
q 1.978532489510233 9.8141e-08 au
i 1.640942245225735 3.8993e-06 deg
node 250.4699520979097 0.00014163 deg
peri 356.1605529145913 0.00014219 deg
M 34.70915839531352 1.2495e-05 deg
tp 2459072.534211382732
(2020-Aug-11.03421138)
4.608e-05 TDB
period 1327.248658049758
3.63
6.3452e-06
1.737e-08
d
yr
n .271237795432379 1.2967e-09 deg/d
Q 2.748615961010499 8.7603e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:55:11  

Additional Information
 Earth MOID = .963433 au 
 Jupiter MOID = 2.27497 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631504078924142 4.0553e-08  
q 1.977192759453934 9.8028e-08 au
tp 2457744.818073261188
(2016-Dec-22.31807326)
4.6471e-05 TDB
node 250.5732839826518 0.00014168 deg
peri 355.9272055319126 0.00014223 deg
i 1.640967618897562 3.898e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:55:11  

Additional Information
 Jupiter MOID = 2.27497 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.644542240483246E-15 -3.967907482645707E-15 -6.998758488132415E-13 -2.501337264420018E-14 -1.118566013419111E-13 -6.365173243158651E-16
q -3.967907482645707E-15 9.609422363513352E-15 1.611684684553362E-12 6.215148431513885E-14 2.439331984594333E-13 1.530921861171463E-15
tp -6.998758488132415E-13 1.611684684553362E-12 2.159512531878949E-9 1.435715263784947E-11 5.917419634794979E-10 8.870673527516157E-13
node -2.501337264420018E-14 6.215148431513885E-14 1.435715263784947E-11 2.007419338662788E-8 -2.006250874968749E-8 -2.134544036260242E-10
peri -1.118566013419111E-13 2.439331984594333E-13 5.917419634794979E-10 -2.006250874968749E-8 2.023055434629731E-8 2.135952204873891E-10
i -6.365173243158651E-16 1.530921861171463E-15 8.870673527516157E-13 -2.134544036260242E-10 2.135952204873891E-10 1.519477926827939E-11

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 16.29   n/a E2021B10  
rotation period rot_per 6.41500 h n/a LCDB (Rev. 2020-October); 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

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