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214132 (2005 AC4)
Classification: Main-belt Asteroid          SPK-ID: 2214132
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 .06498731622347449 6.6281e-08  
a 2.198416063014931 1.4164e-08 au
q 2.055546903137014 1.4486e-07 au
i 6.050298869016375 4.6097e-06 deg
node 56.20314582296511 6.7271e-05 deg
peri 92.22564492970152 7.6493e-05 deg
M 102.0579126563788 3.6763e-05 deg
tp 2458262.973838302190
(2018-May-24.47383830)
0.00012087 TDB
period 1190.592821747438
3.26
1.1506e-05
3.15e-08
d
yr
n .3023703766932062 2.9221e-09 deg/d
Q 2.341285222892848 1.5084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6915 days (18.93 yr)  
   first obs. used      1999-04-07  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:33:23  

Additional Information
 Earth MOID = 1.0774 au 
 Jupiter MOID = 2.65286 au 
 T_jup = 3.657 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456574.5 (2013-Oct-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508230750583131 6.619e-08  
q 2.054547440747159 1.4459e-07 au
tp 2457072.780079940109
(2015-Feb-19.28007994)
0.00011886 TDB
node 56.2409485932637 6.7253e-05 deg
peri 92.16796751584609 7.6473e-05 deg
i 6.051995141991998 4.6106e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6915 days (18.93 yr)  
   first obs. used      1999-04-07  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:33:23  

Additional Information
 Jupiter MOID = 2.65286 au 
 T_jup = 3.657 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.381160520201535E-15 -9.531188660921426E-15 7.069653949979743E-13 -2.05503883808491E-14 2.617015242118067E-13 -4.599552160488108E-15
q -9.531188660921426E-15 2.090745109812899E-14 -1.375704255505045E-12 4.651293051905456E-14 -5.428282099419082E-13 1.041003463357694E-14
tp 7.069653949979743E-13 -1.375704255505045E-12 1.41283385995E-8 1.224958147215571E-12 4.37787184768107E-9 4.320289911076949E-13
node -2.05503883808491E-14 4.651293051905456E-14 1.224958147215571E-12 4.522923470848523E-9 -4.497539183938466E-9 -2.076157083998148E-11
peri 2.617015242118067E-13 -5.428282099419082E-13 4.37787184768107E-9 -4.497539183938466E-9 5.848087207572781E-9 2.072614263421498E-11
i -4.599552160488108E-15 1.041003463357694E-14 4.320289911076949E-13 -2.076157083998148E-11 2.072614263421498E-11 2.125801902869687E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO433400  

214132 (2005 AC4)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2005 AC4 = 1999 GW21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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