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 ]  
3688 Navajo (1981 FD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4779010645252579 3.9297e-08  
a 3.222625845235582 1.7974e-08 au
q 1.682529523230888 1.2115e-07 au
i 2.558501046579498 5.6924e-06 deg
node 19.98847576585856 9.4655e-05 deg
peri 137.8832154789975 9.5094e-05 deg
M 217.0765429653623 9.3248e-06 deg
tp 2459439.407867140829
(2021-Aug-12.90786714)
6.1258e-05 TDB
period 2113.066941121546
5.79
1.7678e-05
4.84e-08
d
yr
n .1703684786289468 1.4253e-09 deg/d
Q 4.762722167240275 2.6563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      13322 days (36.47 yr)  
   first obs. used      1981-02-09  
   last obs. used      2017-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53425  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 16:08:00  

Additional Information
 Earth MOID = .693432 au 
 Jupiter MOID = .237565 au 
 T_jup = 2.996 
[ 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 15.1   n/a MPO416749  
diameter diameter 6.086 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3688 Navajo (1981 FD)          Discovered 1981-Mar-30 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin