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3771 Alexejtolstoj (1974 SB3)
Classification: Main-belt Asteroid          SPK-ID: 2003771
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684741415623321 3.5364e-08  
a 2.225857837482244 7.0725e-09 au
q 1.850858349072634 8.0255e-08 au
i 4.548542947450277 3.5663e-06 deg
node 249.3372504229063 4.3877e-05 deg
peri 137.1524525297665 4.4942e-05 deg
M 260.976094442968 1.0205e-05 deg
tp 2459334.143072455356
(2021-Apr-29.64307246)
3.5034e-05 TDB
period 1212.954643712281
3.32
5.7811e-06
1.583e-08
d
yr
n .2967959287399322 1.4146e-09 deg/d
Q 2.600857325891854 8.264e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2252  
   data-arc span      24160 days (66.15 yr)  
   first obs. used      1954-08-31  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:57:24  

Additional Information
 Earth MOID = .858591 au 
 Jupiter MOID = 2.85 au 
 T_jup = 3.623 
[ 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 14.0   n/a MPO337282  
rotation period rot_per 11.094 h n/a LCDB (Rev. 2019-August); 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.]

3771 Alexejtolstoj (1974 SB3)          Discovered 1974-Sep-20 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1974 SB3 = 1954 QF = 1984 SG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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