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212217 (2005 GL215)
Classification: Main-belt Asteroid          SPK-ID: 2212217
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882519966879878 4.6231e-08  
a 2.696468852832963 1.8568e-08 au
q 2.18885320728019 1.2204e-07 au
i 10.68754870019612 4.5234e-06 deg
node 251.9263097998964 2.3975e-05 deg
peri 348.8510825536486 2.7365e-05 deg
M 135.9090451934869 1.3977e-05 deg
tp 2458389.927275443658
(2018-Sep-28.42727544)
5.9236e-05 TDB
period 1617.303546848969
4.43
1.6705e-05
4.574e-08
d
yr
n .2225927227460774 2.2992e-09 deg/d
Q 3.204084498385737 2.2063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:02:27  

Additional Information
 Earth MOID = 1.17704 au 
 Jupiter MOID = 1.83537 au 
 T_jup = 3.319 
[ 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 15.7   n/a MPO437019  
diameter diameter 2.074 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212217 (2005 GL215)          Discovered 2005-Apr-11 by Siding Spring Survey at Siding Spring
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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