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

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4776253114320762 2.7357e-08  
a 3.224813683759573 1.2021e-08 au
q 1.684561043743486 8.7366e-08 au
i 2.557274651436578 4.998e-06 deg
node 19.98980449806494 8.0961e-05 deg
peri 137.8064089783197 8.1329e-05 deg
M 319.3382555187338 7.1159e-06 deg
tp 2459439.412501200574
(2021-Aug-12.91250120)
4.2981e-05 TDB
period 2115.219145893577
5.79
1.1827e-05
3.238e-08
d
yr
n .1701951311753646 9.5162e-10 deg/d
Q 4.76506632377566 1.7762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      14611 days (40.00 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:25:37  

Additional Information
 Earth MOID = .694778 au 
 Jupiter MOID = .233196 au 
 T_jup = 2.995 
[ 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 15.16   n/a E2021B10  
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 ]
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