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JPL Small-Body Database Browser
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423321 (2005 ED318)
Classification: Amor [NEO, PHA]          SPK-ID: 2423321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4495343849574191 6.8121e-09  
a 1.850250876390518 1.3927e-09 au
q 1.018499486655381 1.2069e-08 au
i 2.389720459918883 2.2662e-06 deg
node 82.06701580653265 3.2588e-05 deg
peri 164.2024294899648 3.437e-05 deg
M 192.6085410333181 4.7047e-06 deg
tp 2459027.939987657308
(2020-Jun-27.43998766)
1.2488e-05 TDB
period 919.2726827672817
2.52
1.0379e-06
2.842e-09
d
yr
n .3916139430101349 4.4215e-10 deg/d
Q 2.682002266125655 2.0187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      3794 days (10.39 yr)  
   first obs. used      2005-03-10  
   last obs. used      2015-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36433  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:05:46  

Additional Information
 Earth MOID = .00883634 au 
 Jupiter MOID = 2.35694 au 
 T_jup = 3.877 
[ 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 20.8   n/a MPO264940  
diameter diameter 0.202 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 17.157 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.212   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

423321 (2005 ED318)          Discovered 2005-Mar-10 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-02-04

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