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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
3847 Sindel (1982 DY1)
Classification: Main-belt Asteroid          SPK-ID: 2003847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09428079786384162 4.0984e-08  
a 3.137784471930119 1.7915e-08 au
q 2.841951648391774 1.3435e-07 au
i 3.427742511511183 3.785e-06 deg
node 66.8146843578012 8.2857e-05 deg
peri 330.42069393054 8.5918e-05 deg
M 350.0642832972251 2.3516e-05 deg
tp 2458656.531182785354
(2019-Jun-22.03118279)
0.00013273 TDB
period 2030.173203015551
5.56
1.7386e-05
4.76e-08
d
yr
n .1773247718299444 1.5186e-09 deg/d
Q 3.433617295468463 1.9604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2409  
   data-arc span      30198 days (82.68 yr)  
   first obs. used      1937-01-09  
   last obs. used      2019-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:20  

Additional Information
 Earth MOID = 1.8493 au 
 Jupiter MOID = 1.95376 au 
 T_jup = 3.202 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO365292  
diameter diameter 18.975 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.093   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3847 Šindel           Discovered 1982 Feb. 16 by A. Mrkos at Klet.
Named in memory of Jan Ondřej{u°}v, known as Šindel (c.1375-c.1456), Czech medieval astronomer, mathematician, physician, professor at the universities in Nuremberg, Vienna and Prague, rector of the Charles University in Prague. He designed the famous Prague astronomical clock, which was built by the clockmaster Nicolas of Kadaň in 1410 and is still working today. Name suggested by J. Ticha and M. Šolc.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19960828/MPCPages.arcLast Updated: 2003-09-26

[ show close-approach data ]
Alternate Designations
 1982 DY1 = 1937 AU = 1974 TJ1 = 1977 FJ1 = 1980 WF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-20 20:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin