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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294085182910416 3.9641e-08  
a 2.63420657804922 1.1475e-08 au
q 2.029897150106434 1.039e-07 au
i 1.982454771077565 4.3556e-06 deg
node 3.46845048673779 9.9121e-05 deg
peri 325.140277597278 9.9378e-05 deg
M 129.0853379270203 7.8784e-06 deg
tp 2458440.552142840068
(2018-Nov-18.05214284)
3.2594e-05 TDB
period 1561.612122761311
4.28
1.0204e-05
2.794e-08
d
yr
n .2305309972641812 1.5064e-09 deg/d
Q 3.238516005992007 1.4108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      14668 days (40.16 yr)  
   first obs. used      1980-09-07  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:29:10  

Additional Information
 Earth MOID = 1.01911 au 
 Jupiter MOID = 2.12114 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 14.0   n/a MPO319414  
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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