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29464 Leonmis (1997 TY9)
Classification: Main-belt Asteroid          SPK-ID: 2029464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844840932935701 3.9611e-08  
a 2.548685370993987 9.9271e-09 au
q 2.078493461235575 1.0339e-07 au
i 2.30333425200992 3.4764e-06 deg
node 87.40469772829614 0.00011438 deg
peri 285.8425891325385 0.00011497 deg
M 305.7733736174835 1.4471e-05 deg
tp 2459620.363274376198
(2022-Feb-09.86327438)
6.0675e-05 TDB
period 1486.184632009762
4.07
8.683e-06
2.377e-08
d
yr
n .2422310070002362 1.4152e-09 deg/d
Q 3.018877280752399 1.1758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      9619 days (26.34 yr)  
   first obs. used      1995-03-05  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:21:30  

Additional Information
 Earth MOID = 1.07969 au 
 Jupiter MOID = 2.44694 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823308580032862 3.9254e-08  
q 2.085379676230914 1.0194e-07 au
tp 2456649.427332663096
(2013-Dec-22.92733266)
5.1256e-05 TDB
node 87.47566306918618 0.00011425 deg
peri 286.0608361000325 0.00011487 deg
i 2.304032952975575 3.4781e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      9619 days (26.34 yr)  
   first obs. used      1995-03-05  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:21:30  

Additional Information
 Jupiter MOID = 2.44694 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.540854907096691E-15 -3.989348921247331E-15 -9.4742404163217E-13 7.727775737099304E-15 -2.4078217531155E-13 -8.657881129175898E-16
q -3.989348921247331E-15 1.039114830503245E-14 2.612181378324533E-12 -1.91756261284562E-14 6.614274587614105E-13 2.324575594485145E-15
tp -9.4742404163217E-13 2.612181378324533E-12 2.627219920849368E-9 2.970015792786539E-12 6.402407006703633E-10 1.30864089303952E-12
node 7.727775737099304E-15 -1.91756261284562E-14 2.970015792786539E-12 1.30520619944855E-8 -1.304060088386727E-8 1.000010662689292E-10
peri -2.4078217531155E-13 6.614274587614105E-13 6.402407006703633E-10 -1.304060088386727E-8 1.319400016734181E-8 -9.960271147595899E-11
i -8.657881129175898E-16 2.324575594485145E-15 1.30864089303952E-12 1.000010662689292E-10 -9.960271147595899E-11 1.209736665148088E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a E2021B10  

29464 Leonmiš           Discovered 1997 Oct. 5 by P. Pravec at Ondřejov.
Leon Miš (b. 1972), an astronomer at the Úpice observatory, contributed much to the organization of astronomical summer youth camps and weekend gatherings of observers of the beauties of the sky. He also contributed to the reconstruction of the observatory's dome and telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1997 TY9 = 2000 KY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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