Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407642094225525 4.491e-08  
a 2.35867099109236 1.1624e-08 AU
q 2.026654533743335 1.0508e-07 AU
i 3.662157123601857 5.5203e-06 deg
node 7.105155990945799 7.9742e-05 deg
peri 94.66554800196316 8.2801e-05 deg
M 182.0336189464305 2.1048e-05 deg
tp 2457654.586135949667
(2016-Sep-23.08613595)
7.9066e-05 JED
period 1323.120735207855
3.62
9.7811e-06
2.678e-08
d
yr
n .2720840135147954 2.0114e-09 deg/d
Q 2.690687448441384 1.3261e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      12688 days (34.74 yr)  
   first obs. used      1979-09-23  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49348  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:04:50  

Additional Information
 Earth MOID = 1.04724 AU 
 T_jup = 3.536 
[ 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 13.7 mag n/a MPO263372  
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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-02 06:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin