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JPL Small-Body Database Browser
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26577 (2000 EC91)
Classification: Main-belt Asteroid          SPK-ID: 2026577
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09859618612710536 3.744e-08  
a 2.98448591061708 1.5629e-08 au
q 2.690226982280155 1.1239e-07 au
i 10.21402490158664 4.5949e-06 deg
node 197.9071384464388 2.061e-05 deg
peri 224.809866284623 3.0847e-05 deg
M 357.9875820616811 2.1641e-05 deg
tp 2458611.027334084436
(2019-May-07.52733408)
0.00011321 TDB
period 1883.227235373729
5.16
1.4793e-05
4.05e-08
d
yr
n .1911612115829227 1.5016e-09 deg/d
Q 3.278744838954005 1.717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      11262 days (30.83 yr)  
   first obs. used      1989-02-05  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:29:37  

Additional Information
 Earth MOID = 1.71263 au 
 Jupiter MOID = 2.1241 au 
 T_jup = 3.227 
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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 13.3   n/a MPO337483  
diameter diameter 7.635 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.676 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.091   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26577 (2000 EC91)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2000 EC91 = 1989 CQ3 = 1998 XW85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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