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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06391184787925004 4.8392e-08  
a 3.366472803640437 3.041e-08 au
q 3.151315305924537 1.6527e-07 au
i 12.47350698554961 4.5881e-06 deg
node 134.0135151949728 2.3787e-05 deg
peri 260.9757604385582 4.5603e-05 deg
M 344.8406728196355 3.6969e-05 deg
tp 2458695.503262132081
(2019-Jul-31.00326213)
0.00023123 TDB
period 2256.114269494038
6.18
3.057e-05
8.37e-08
d
yr
n .1595663858288235 2.1621e-09 deg/d
Q 3.581630301356337 3.2354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1998-05-23  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:48:27  

Additional Information
 Earth MOID = 2.18805 au 
 Jupiter MOID = 1.74856 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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