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157533 Stellamarie (2005 TL49)
Classification: Main-belt Asteroid          SPK-ID: 2157533
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242979543610805 1.0024e-07  
a 2.624493817344531 3.6541e-08 au
q 2.03582522288085 2.5118e-07 au
i 14.2374516934928 7.9506e-06 deg
node 72.56026439232978 3.1769e-05 deg
peri 281.7193115063051 4.5616e-05 deg
M 239.0102054073767 5.2855e-05 deg
tp 2459722.430884718537
(2022-May-22.93088472)
0.00023705 TDB
period 1552.98320103214
4.25
3.2433e-05
8.88e-08
d
yr
n .23181190869337 4.8413e-09 deg/d
Q 3.213162411808212 4.4737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2001-12-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:49:10  

Additional Information
 Earth MOID = 1.08656 au 
 Jupiter MOID = 2.41989 au 
 T_jup = 3.324 
[ 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 15.72   n/a E2021B55  
diameter diameter 1.904 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

157533 Stellamarie           Discovered 2005 Oct. 10 by W. Ries at Altschwendt.
Stella Marie Ries (b. 2008) is the niece of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-02-16

Alternate Designations
 2005 TL49 = 2004 MZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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