Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
30778 Doblin (1987 SX10)
Classification: Main-belt Asteroid          SPK-ID: 2030778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09784483551396118 4.1134e-08  
a 2.714744454433681 1.192e-08 au
q 2.449120729827179 1.119e-07 au
i 8.206080598506224 4.6816e-06 deg
node 40.8663731318307 2.4692e-05 deg
peri 11.51412093820782 3.293e-05 deg
M 157.7308818489814 2.181e-05 deg
tp 2458680.676273229524
(2019-Jul-16.17627323)
9.7427e-05 TDB
period 1633.773542736556
4.47
1.076e-05
2.946e-08
d
yr
n .2203487757532193 1.4512e-09 deg/d
Q 2.980368179040182 1.3086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      12314 days (33.71 yr)  
   first obs. used      1987-09-24  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:04  

Additional Information
 Earth MOID = 1.45977 au 
 Jupiter MOID = 2.3747 au 
 T_jup = 3.340 
[ 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 14.26   n/a E2021B10  
diameter diameter 7.252 km 2.954 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.084   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

30778 Döblin           Discovered 1987 Sept. 29 by F. Borngen at Tautenburg.
German narrative writer Alfred Döblin (1878-1957) originated from a Jewish merchant family. A doctor by profession, he lived in exile in France and the U.S. during 1933-1945. From his extensive literary work best known are his novels Berlin Alexanderplatz (1929) and Babylonische Wanderung (1934).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1987 SX10 = 1999 JT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-29 04:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin