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 ]  
7745 (1987 DB6)
Classification: Main-belt Asteroid          SPK-ID: 2007745
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209525568057657 4.4702e-08  
a 2.791795083250531 1.9178e-08 AU
q 2.20684263253189 1.2547e-07 AU
i 8.138369196333777 8.3393e-06 deg
node 151.9899961346007 3.9066e-05 deg
peri 288.6392030542152 4.5483e-05 deg
M 37.19080132273108 2.0503e-05 deg
tp 2456824.482126835313
(2014-Jun-15.98212684)
9.6861e-05 JED
period 1703.820086838454
4.66
1.7557e-05
4.807e-08
d
yr
n .211289914223281 2.1772e-09 deg/d
Q 3.376747533969172 2.3197e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      10361 days (28.37 yr)  
   first obs. used      1987-02-22  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50046  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:22:57  

Additional Information
 Earth MOID = 1.23825 AU 
 T_jup = 3.282 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO337321  
rotation period rot_per 7.04 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Polishook, D. (2014) Minor Planet Bul. 41, 49-53.]

7745 (1987 DB6)          Discovered 1987-Feb-22 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 DB6 = 1990 UQ6 = 1994 PW34 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-04 07:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin