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3013 Dobrovoleva (1979 SD7)
Classification: Main-belt Asteroid          SPK-ID: 2003013
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405258537233752 4.0004e-08  
a 2.358263756103175 1.0526e-08 au
q 2.026866728471883 9.5187e-08 au
i 3.662324447404095 5.1965e-06 deg
node 7.099752076137295 6.7558e-05 deg
peri 94.76462937029551 7.0401e-05 deg
M 345.1745765052642 2.1029e-05 deg
tp 2457654.974292541105
(2016-Sep-23.47429254)
7.7455e-05 JED
period 1322.77808601969
3.62
8.8564e-06
2.425e-08
d
yr
n .2721544934897275 1.8222e-09 deg/d
Q 2.689660783734467 1.2005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      13269 days (36.33 yr)  
   first obs. used      1979-09-23  
   last obs. used      2016-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51389  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:57:43  

Additional Information
 Earth MOID = 1.04604 au 
 Jupiter MOID = 2.45066 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO358657  
diameter diameter 11.02 km 0.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 8.3025 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Molnar, L.A.; Haegert, M.J.; Beaumonts, C.N.; Block, M.J.; et al. (2008) Minor Planet Bul. 35, 9-12.]
geometric albedo albedo 0.0696   0.012 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

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 | Physical Parameters | Discovery Circumstances ]
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