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214470 (2005 SU221)
Classification: Main-belt Asteroid          SPK-ID: 2214470
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485850084708247 6.0004e-08  
a 3.139981790860452 3.3697e-08 au
q 2.359429390781171 1.9597e-07 au
i 10.83099859155019 6.1576e-06 deg
node 100.3897471756779 3.5611e-05 deg
peri 267.3375409217544 3.7918e-05 deg
M 154.4014599784589 1.2239e-05 deg
tp 2457728.858251882185
(2016-Dec-06.35825188)
6.4511e-05 TDB
period 2032.306102326957
5.56
3.2715e-05
8.957e-08
d
yr
n .1771386700004522 2.8515e-09 deg/d
Q 3.920534190939733 4.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6665 days (18.25 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:45:04  

Additional Information
 Earth MOID = 1.38804 au 
 Jupiter MOID = 1.71715 au 
 T_jup = 3.135 
[ 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 15.3   n/a MPO433402  
diameter diameter 5.602 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214470 (2005 SU221)          Discovered 2005-Sep-27 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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