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3546 Atanasoff (1983 SC)
Classification: Main-belt Asteroid          SPK-ID: 2003546
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02612399783344656 1.1258e-08  
a 2.694468194040312 9.6359e-09 au
q 2.624077912776912 3.4409e-08 au
i 7.026769625933575 7.262e-07 deg
node 335.1624943955393 2.7973e-06 deg
peri 248.8422113325431 5.0867e-05 deg
M 281.1400447671473 5.2234e-05 deg
tp 2459554.384910183820
(2021-Dec-05.88491018)
0.00023454 TDB
period 1615.503930860737
4.42
8.666e-06
2.373e-08
d
yr
n .2228406834071848 1.1954e-09 deg/d
Q 2.764858475303712 9.8876e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2979  
   data-arc span      23123 days (63.31 yr)  
   first obs. used      1957-11-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:15:13  

Additional Information
 Earth MOID = 1.62465 au 
 Jupiter MOID = 2.2281 au 
 T_jup = 3.359 
[ 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 12.35   n/a E2021B10  
diameter diameter 9.980 km 1.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.754 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.234   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Sa   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)

3546 Atanasoff (1983 SC)          Discovered 1983-Sep-28 by Helin, E. F. and Shkodrav, V. at Rozhen
and V. Ivanova and A. Georgieva.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 SC = 1957 WJ = 1977 FH2 = 1979 SX10 = 1979 VC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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