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JPL Small-Body Database Browser
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3745 Petaev (1949 SF)
Classification: Main-belt Asteroid          SPK-ID: 2003745
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .246764126387276 4.8783e-08  
a 2.430344475885492 7.6383e-09 au
q 1.830622644473467 1.1992e-07 au
i 9.025505980050799 4.8902e-06 deg
node 356.5042494868732 2.7871e-05 deg
peri 329.5922513718152 2.8781e-05 deg
M 258.0704245454509 7.7224e-06 deg
tp 2459392.330188795358
(2021-Jun-26.83018880)
3.0349e-05 TDB
period 1383.885563510736
3.79
6.5241e-06
1.786e-08
d
yr
n .2601371164583343 1.2264e-09 deg/d
Q 3.030066307297518 9.5232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1371  
   data-arc span      25700 days (70.36 yr)  
   first obs. used      1949-09-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:54:56  

Additional Information
 Earth MOID = .826055 au 
 Jupiter MOID = 2.34909 au 
 T_jup = 3.449 
[ 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 14.1   n/a MPO435734  
diameter diameter 10.917 km 2.576 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3745 Petaev (1949 SF)          Discovered 1949-Sep-23 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1949 SF = 1960 MC = 1983 RQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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