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3013 Dobrovoleva (1979 SD7)
Classification: Main-belt Asteroid          SPK-ID: 2003013
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418370793783625 2.661e-08  
a 2.358349818845994 6.0156e-09 au
q 2.023848368388388 6.34e-08 au
i 3.659146037880074 3.8616e-06 deg
node 7.047989348970447 4.7206e-05 deg
peri 94.76268473602977 4.9783e-05 deg
M 6.184200916433093 1.4431e-05 deg
tp 2458977.775629843161
(2020-May-08.27562984)
5.3013e-05 TDB
period 1322.85049709875
3.62
5.0614e-06
1.386e-08
d
yr
n .2721395961142586 1.0413e-09 deg/d
Q 2.6928512693036 6.8689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2214  
   data-arc span      14825 days (40.59 yr)  
   first obs. used      1979-09-23  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:48:26  

Additional Information
 Earth MOID = 1.0446 au 
 Jupiter MOID = 2.44193 au 
 T_jup = 3.536 
[ 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 13.9   n/a MPO358657  
diameter diameter 10.588 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.3025 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Molnar, L.A.; Haegert, M.J.; Beaumonts, C.N.; Block, M.J.; et al. (2008) Minor Planet Bull. 35, 9-12.]
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3013 Dobrovoleva (1979 SD7)          Discovered 1979-Sep-23 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 SD7 = 1981 GS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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