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JPL Small-Body Database Browser
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212161 (2005 GW12)
Classification: Main-belt Asteroid          SPK-ID: 2212161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3538185465825384 4.9908e-08  
a 2.755897348114507 2.1381e-08 au
q 1.78080975387396 1.4553e-07 au
i 16.63108762051633 6.9213e-06 deg
node 43.90489000757051 1.6506e-05 deg
peri 275.697187759654 1.9226e-05 deg
M 308.5382338971119 1.0283e-05 deg
tp 2458839.377457524782
(2019-Dec-21.87745752)
4.8526e-05 TDB
period 1671.063611322416
4.58
1.9447e-05
5.324e-08
d
yr
n .2154316553605698 2.5071e-09 deg/d
Q 3.730984942355053 2.8946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      5531 days (15.14 yr)  
   first obs. used      2004-03-18  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:09  

Additional Information
 Earth MOID = .858976 au 
 Jupiter MOID = 2.02385 au 
 T_jup = 3.193 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO437019  

212161 (2005 GW12)          Discovered 2005-Apr-01 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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