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3981 Stodola (1984 BL)
Classification: Main-belt Asteroid          SPK-ID: 2003981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646819360898881 3.0517e-08  
a 3.181303183296607 1.6211e-08 au
q 2.657400015782398 9.682e-08 au
i 2.451733086618429 3.4487e-06 deg
node 79.63652622364503 8.3171e-05 deg
peri 348.0058867079998 8.3843e-05 deg
M 246.2363381574672 1.1874e-05 deg
tp 2459855.448390033409
(2022-Oct-02.94839003)
7.0962e-05 TDB
period 2072.554773583032
5.67
1.5842e-05
4.337e-08
d
yr
n .1736986662975532 1.3277e-09 deg/d
Q 3.705206350810816 1.8881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2526  
   data-arc span      20103 days (55.04 yr)  
   first obs. used      1965-09-21  
   last obs. used      2020-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:28:39  

Additional Information
 Earth MOID = 1.67092 au 
 Jupiter MOID = 1.60054 au 
 T_jup = 3.177 
[ 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 12.07   n/a E2021B10  
diameter diameter 22.405 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 102.657 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3981 Stodola (1984 BL)          Discovered 1984-Jan-26 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1984 BL = 1965 SR = 1971 UF2 = 1976 SS = 1977 VB2 = 1979 FT1 = 2019 GS35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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