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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456465.5 (2013-Jun-22.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320044178948318 3.9793e-08  
q 2.021334070378907 1.0464e-07 au
tp 2456878.969731824366
(2014-Aug-09.46973182)		 2.889e-05 TDB
node 3.540026965651505 9.6879e-05 deg
peri 324.9622725645404 9.7106e-05 deg
i 1.989132352063803 4.2917e-06 deg
   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
 Jupiter MOID = 2.12125 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.583494152209523E-15 -4.150440254549091E-15 2.441271071376092E-13 -8.448744209841286E-15 5.047241621541254E-14 -6.119785737637204E-16
q -4.150440254549091E-15 1.094959345148269E-14 -6.089737802057851E-13 2.082306881856452E-14 -1.312109063501472E-13 1.625279011234721E-15
tp 2.441271071376092E-13 -6.089737802057851E-13 8.346206742422785E-10 -2.994531252425091E-12 2.016326879784961E-10 -3.376525443638219E-13
node -8.448744209841286E-15 2.082306881856452E-14 -2.994531252425091E-12 9.385480940641488E-9 -9.379820121032679E-9 -9.349793883063757E-11
peri 5.047241621541254E-14 -1.312109063501472E-13 2.016326879784961E-10 -9.379820121032679E-9 9.429535180807484E-9 9.337145651949465E-11
i -6.119785737637204E-16 1.625279011234721E-15 -3.376525443638219E-13 -9.349793883063757E-11 9.337145651949465E-11 1.841872797533362E-11

[ 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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