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26574 (2000 ER87)
Classification: Main-belt Asteroid          SPK-ID: 2026574
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229496600200098 3.9605e-08  
a 2.634157300420399 1.1126e-08 au
q 2.029627155581649 1.0388e-07 au
i 1.982622920222273 4.286e-06 deg
node 3.461893464202924 9.7189e-05 deg
peri 325.1726408103281 9.7421e-05 deg
M 175.1485461956958 8.0034e-06 deg
tp 2458440.759949470357
(2018-Nov-18.25994947)
3.237e-05 TDB
period 1561.568303770441
4.28
9.8932e-06
2.709e-08
d
yr
n .2305374661683208 1.4606e-09 deg/d
Q 3.238687445259149 1.3679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1884  
   data-arc span      14743 days (40.36 yr)  
   first obs. used      1980-09-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:20:23  

Additional Information
 Earth MOID = 1.01691 au 
 Jupiter MOID = 2.12125 au 
 T_jup = 3.360 
[ 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 13.99   n/a E2021B10  
diameter diameter 8.780 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26574 (2000 ER87)          Discovered 2000-Mar-08 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 ER87 = 1980 RS4 = 1980 TE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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