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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406198320804324 4.0373e-08  
a 2.358588626329994 1.0568e-08 au
q 2.026924289748653 9.6026e-08 au
i 3.662357752522013 5.2007e-06 deg
node 7.100295902974112 6.8172e-05 deg
peri 94.72814622185547 7.0988e-05 deg
M 290.7868510899239 2.0839e-05 deg
tp 2457654.868210260480
(2016-Sep-23.36821026)
7.7446e-05 JED
period 1323.051430772882
3.62
8.8921e-06
2.435e-08
d
yr
n .2720982658925814 1.8287e-09 deg/d
Q 2.690252962911336 1.2054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      13238 days (36.24 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50971  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:46:09  

Additional Information
 Earth MOID = 1.04742 au 
 Jupiter MOID = 2.45128 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. 2015-December); 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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