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3788 Steyaert (1986 QM3)
Classification: Main-belt Asteroid          SPK-ID: 2003788
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047895401040575 1.3848e-08  
a 2.791550505305748 1.3315e-08 au
q 2.49902521167751 4.0594e-08 au
i 9.683812514296694 1.9477e-07 deg
node 135.1280531941776 2.03e-06 deg
peri 106.0067993620116 1.0314e-05 deg
M 214.4337374861977 1.3737e-05 deg
tp 2459889.350363516554
(2022-Nov-05.85036352)
6.7881e-05 TDB
period 1703.596194499024
4.66
1.2189e-05
3.337e-08
d
yr
n .211317682654172 1.5119e-09 deg/d
Q 3.084075798933987 1.4711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2652  
   data-arc span      24223 days (66.32 yr)  
   first obs. used      1954-11-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:12:14  

Additional Information
 Earth MOID = 1.506 au 
 Jupiter MOID = 2.00347 au 
 T_jup = 3.300 
[ 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 12.17   n/a E2021B10  
diameter diameter 9.799 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 18.467 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Owings, L.E. (2019) Minor Planet Bull. 46, 272-274.]
geometric albedo albedo 0.320   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3788 Steyaert           Discovered 1986 Aug. 29 by H. Debehogne at the European Southern Observatory.
Belgian amateur astronomer Christian Steyaert (b. 1955) was president of the Belgian Dutch-language astronomical society "Vereniging voor Sterrenkunde" from 1988 to 2004. The name was suggested by J. Meeus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

Alternate Designations
 1986 QM3 = 1975 EZ1 = 1977 TH6 = 1982 UJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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