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56987 (2000 SR211)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056987
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06432491544957603 4.7664e-08  
a 3.367829998250098 2.9953e-08 au
q 3.151194618364115 1.619e-07 au
i 12.4738730829914 4.1845e-06 deg
node 134.003305093848 2.3007e-05 deg
peri 260.9432578035985 4.4194e-05 deg
M 48.67131952144765 3.5131e-05 deg
tp 2458695.293141912230
(2019-Jul-30.79314191)
0.00022194 TDB
period 2257.478736798572
6.18
3.0117e-05
8.246e-08
d
yr
n .1594699405720789 2.1275e-09 deg/d
Q 3.584465378136081 3.188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:03  

Additional Information
 Earth MOID = 2.18862 au 
 Jupiter MOID = 1.74645 au 
 T_jup = 3.113 
[ 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 13.7   n/a MPO412553  
diameter diameter 8.965 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56987 (2000 SR211)          Discovered 2000-Sep-25 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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