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226044 (2002 GE66)
Classification: Main-belt Asteroid          SPK-ID: 2226044
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04572731908227689 4.3438e-08  
a 2.92685974278629 2.8704e-08 au
q 2.79302229341883 1.2143e-07 au
i 3.201744748870848 4.9596e-06 deg
node 77.72409388444794 8.584e-05 deg
peri 188.5292229239432 0.00010209 deg
M 165.5442688822405 5.6358e-05 deg
tp 2458159.467181375534
(2018-Feb-09.96718138)
0.00028473 TDB
period 1828.947729505414
5.01
2.6905e-05
7.366e-08
d
yr
n .1968344935135743 2.8956e-09 deg/d
Q 3.060697192153749 3.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7380 days (20.21 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:49:05  

Additional Information
 Earth MOID = 1.77715 au 
 Jupiter MOID = 1.96434 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04834888257721472 4.3071e-08  
q 2.783693982908887 1.2065e-07 au
tp 2456335.673816191439
(2013-Feb-12.17381619)
0.00026951 TDB
node 77.8015520049603 8.5947e-05 deg
peri 189.3071724377579 0.00010079 deg
i 3.200904188622483 4.9558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7380 days (20.21 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:49:05  

Additional Information
 Jupiter MOID = 1.96434 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.855126102452132E-15 -5.074936234498892E-15 -1.401032424751298E-12 3.429996794741598E-15 -2.59138132606714E-13 -2.802064208012178E-16
q -5.074936234498892E-15 1.455604681251236E-14 4.131207831489813E-12 -1.099614542751283E-14 8.131941072041386E-13 1.24082418770473E-15
tp -1.401032424751298E-12 4.131207831489813E-12 7.263439992975227E-8 3.175305452659593E-11 1.420978690120919E-8 2.138497575215428E-12
node 3.429996794741598E-15 -1.099614542751283E-14 3.175305452659593E-11 7.386855366310809E-9 -7.369210411540876E-9 -6.769563597429948E-11
peri -2.59138132606714E-13 8.131941072041386E-13 1.420978690120919E-8 -7.369210411540876E-9 1.015890604646494E-8 6.803048786975444E-11
i -2.802064208012178E-16 1.24082418770473E-15 2.138497575215428E-12 -6.769563597429948E-11 6.803048786975444E-11 2.455950432855293E-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 15.5   n/a MPO503109  
rotation period rot_per 4.02 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

226044 (2002 GE66)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 GE66 = 2005 YN27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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