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117456 (2005 AL68)
Classification: Main-belt Asteroid          SPK-ID: 2117456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006940221450505 3.8102e-08  
a 2.259713993081764 1.1535e-08 au
q 2.032174302220908 8.5262e-08 au
i 2.057736482869998 5.0948e-06 deg
node 151.9547978535564 0.00015197 deg
peri 308.3846461877969 0.00015556 deg
M 211.0458785045083 3.4895e-05 deg
tp 2459513.867845005060
(2021-Oct-26.36784500)
0.00012192 TDB
period 1240.733873935911
3.40
9.5006e-06
2.601e-08
d
yr
n .2901508595537834 2.2218e-09 deg/d
Q 2.487253683942619 1.2697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      6803 days (18.63 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:51  

Additional Information
 Earth MOID = 1.04981 au 
 Jupiter MOID = 2.61973 au 
 T_jup = 3.613 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457004.5 (2014-Dec-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010545480965679 3.822e-08  
q 2.030650313462312 8.5687e-08 au
tp 2457032.441535914894
(2015-Jan-09.94153591)
0.00011404 TDB
node 152.0213320066089 0.00015222 deg
peri 308.1722588744752 0.00015576 deg
i 2.05592950080797 5.0924e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      6803 days (18.63 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:51  

Additional Information
 Jupiter MOID = 2.61973 au 
 T_jup = 3.613 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.460751948809156E-15 -3.251906365820823E-15 -4.335494389837763E-13 6.097767693544045E-16 -1.639715664045708E-13 2.849764652209007E-16
q -3.251906365820823E-15 7.342313940296484E-15 1.337866596728807E-12 -3.210351120171033E-16 4.712726465724929E-13 -5.274194694536839E-16
tp -4.335494389837763E-13 1.337866596728807E-12 1.300603349721566E-8 2.465309593137608E-11 3.796824742462243E-9 -3.585511267055955E-13
node 6.097767693544045E-16 -3.210351120171033E-16 2.465309593137608E-11 2.317061093011403E-8 -2.314842439366643E-8 2.860352781281813E-10
peri -1.639715664045708E-13 4.712726465724929E-13 3.796824742462243E-9 -2.314842439366643E-8 2.426244171766273E-8 -2.859980960225656E-10
i 2.849764652209007E-16 -5.274194694536839E-16 -3.585511267055955E-13 2.860352781281813E-10 -2.859980960225656E-10 2.593219148427007E-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 16.7   n/a MPO338087  

117456 (2005 AL68)          Discovered 2005-Jan-13 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 AL68 = 2000 SX204 = 2002 GW122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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