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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168109993926605 2.5149e-08  
a 2.225528282928927 6.7729e-09 au
q 1.851394736802257 5.6609e-08 au
i 4.546993618790919 5.1076e-07 deg
node 249.3149495135795 3.9183e-06 deg
peri 137.1810812028041 5.1089e-06 deg
M 320.2957949745173 4.555e-06 deg
tp 2459334.246402024204
(2021-Apr-29.74640202)
1.5824e-05 TDB
period 1212.685273456827
3.32
5.5358e-06
1.516e-08
d
yr
n .2968618551570268 1.3552e-09 deg/d
Q 2.599661829055596 7.9115e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2334  
   data-arc span      24220 days (66.31 yr)  
   first obs. used      1954-08-31  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:32:01  

Additional Information
 Earth MOID = .857905 au 
 Jupiter MOID = 2.85213 au 
 T_jup = 3.623 
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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 14.05   n/a E2021B10  
rotation period rot_per 11.094 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.]

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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