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 ]  
146021 (2000 DB4)
Classification: Main-belt Asteroid          SPK-ID: 2146021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459732948885702 3.8411e-08  
a 2.363552519982208 1.381e-08 au
q 2.018536970998222 8.7565e-08 au
i 5.616975540788573 5.7695e-06 deg
node 105.4818186795168 4.0582e-05 deg
peri 105.4400554011739 4.5824e-05 deg
M 51.40594675110011 2.0925e-05 deg
tp 2458410.979072207564
(2018-Oct-19.47907221)
7.649e-05 TDB
period 1327.230375419879
3.63
1.1632e-05
3.185e-08
d
yr
n .27124153173944 2.3773e-09 deg/d
Q 2.708568068966194 1.5826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      2000-02-03  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:17  

Additional Information
 Earth MOID = 1.02157 au 
 Jupiter MOID = 2.27108 au 
 T_jup = 3.529 
[ 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 16.4   n/a MPO436733  

146021 (2000 DB4)          Discovered 2000-Feb-28 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2000 DB4 = 2001 QO99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 02:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin