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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877980771543305 4.5471e-08  
a 2.697517464721434 1.846e-08 au
q 2.190928871756524 1.2026e-07 au
i 10.68476515291604 4.4863e-06 deg
node 251.9287230990327 2.2218e-05 deg
peri 348.8517130520625 2.5304e-05 deg
M 224.0262795405775 1.4172e-05 deg
tp 2460007.719645320039
(2023-Mar-04.21964532)
6.8152e-05 TDB
period 1618.247052237409
4.43
1.6612e-05
4.548e-08
d
yr
n .2224629419236447 2.2836e-09 deg/d
Q 3.204106057686344 2.1927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52864  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:37:46  

Additional Information
 Earth MOID = 1.1794 au 
 Jupiter MOID = 1.8331 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 15.81   n/a MPCxxxxx  
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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