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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882519965269276 4.7903e-08  
a 2.696468857229736 1.8885e-08 au
q 2.188853211283555 1.2608e-07 au
i 10.68754671984714 4.7018e-06 deg
node 251.9263201472176 2.669e-05 deg
peri 348.8510779489724 3.1034e-05 deg
M 135.9090368896432 1.5048e-05 deg
tp 2458389.927311255388
(2018-Sep-28.42731126)
6.4764e-05 TDB
period 1617.303550804651
4.43
1.699e-05
4.652e-08
d
yr
n .2225927222016488 2.3384e-09 deg/d
Q 3.204084503175917 2.244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:44:46  

Additional Information
 Earth MOID = 1.17704 au 
 Jupiter MOID = 1.83537 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879205191523307 4.7823e-08  
q 2.190504848118389 1.2582e-07 au
tp 2456773.072469538572
(2014-Apr-25.57246954)
6.049e-05 TDB
node 251.9371745953458 2.6707e-05 deg
peri 349.0690223075187 3.1086e-05 deg
i 10.68221369139385 4.6995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:44:46  

Additional Information
 Jupiter MOID = 1.83537 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.287037384635105E-15 -5.975120024295746E-15 -3.780227781601732E-13 2.279213489825259E-14 -2.056154594846455E-13 -6.341622314544115E-17
q -5.975120024295746E-15 1.583112238939929E-14 1.143424263508866E-12 -5.604531509461967E-14 5.904333009013444E-13 -8.329245989348749E-17
tp -3.780227781601732E-13 1.143424263508866E-12 3.659059531456184E-9 2.382374746039222E-12 9.791734327257632E-10 -6.781925949430338E-12
node 2.279213489825259E-14 -5.604531509461967E-14 2.382374746039222E-12 7.132577796160423E-10 -7.000232824959624E-10 1.874040181538247E-11
peri -2.056154594846455E-13 5.904333009013444E-13 9.791734327257632E-10 -7.000232824959624E-10 9.663347984881773E-10 -2.015519548133484E-11
i -6.341622314544115E-17 -8.329245989348749E-17 -6.781925949430338E-12 1.874040181538247E-11 -2.015519548133484E-11 2.208519461566699E-11

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

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