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214469 (2005 SG213)
Classification: Main-belt Asteroid          SPK-ID: 2214469
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896149071044473 4.0727e-08  
a 3.125257997183849 3.0462e-08 au
q 2.532662492370403 1.4216e-07 au
i 16.29436154545846 8.6419e-06 deg
node 210.8342007515803 1.4087e-05 deg
peri 84.58127199597884 2.7547e-05 deg
M 308.7189070339378 2.2663e-05 deg
tp 2459287.963038428732
(2021-Mar-14.46303843)
0.00012862 TDB
period 2018.028240989929
5.53
2.9505e-05
8.078e-08
d
yr
n .1783919534363922 2.6082e-09 deg/d
Q 3.717853501997296 3.6238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:13:21  

Additional Information
 Earth MOID = 1.58228 au 
 Jupiter MOID = 1.72092 au 
 T_jup = 3.126 
[ 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 14.9   n/a MPO433402  
diameter diameter 5.537 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.19 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.063   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214469 (2005 SG213)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
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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