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312555 (2009 FS66)
Classification: Main-belt Asteroid          SPK-ID: 2312555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08066027094436948 4.5854e-08  
a 2.262123680211072 1.8874e-08 au
q 2.079660171255572 9.8442e-08 au
i 3.514158308617136 4.7896e-06 deg
node 149.9403138766132 7.7662e-05 deg
peri 359.4925316756263 8.7507e-05 deg
M 194.8638472893292 4.5988e-05 deg
tp 2459770.549550370239
(2022-Jul-10.04955037)
0.00016402 TDB
period 1242.719021635687
3.40
1.5553e-05
4.258e-08
d
yr
n .2896873659551475 3.6256e-09 deg/d
Q 2.444587189166571 2.0397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-02-13  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:30:25  

Additional Information
 Earth MOID = 1.09048 au 
 Jupiter MOID = 2.53995 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457426.5 (2016-Feb-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0805538008293183 4.5579e-08  
q 2.080079822433269 9.7956e-08 au
tp 2457282.821191059591
(2015-Sep-17.32119106)
0.00014296 TDB
node 149.9913218776019 7.7762e-05 deg
peri 358.8926877459572 8.7705e-05 deg
i 3.511534134790065 4.7868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-02-13  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:30:25  

Additional Information
 Jupiter MOID = 2.53995 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077427074591791E-15 -4.404091577788616E-15 1.941275915319944E-12 -1.594320155694794E-15 5.761398412445724E-13 8.700831419855898E-16
q -4.404091577788616E-15 9.595312375016645E-15 -2.768718547333951E-12 3.013652382960862E-15 -8.377433017957842E-13 -1.496542615995227E-15
tp 1.941275915319944E-12 -2.768718547333951E-12 2.043664284576611E-8 7.958221162440396E-12 5.81801758210884E-9 4.064451545623346E-12
node -1.594320155694794E-15 3.013652382960862E-15 7.958221162440396E-12 6.046870882384435E-9 -6.033138910872848E-9 2.881408834423006E-11
peri 5.761398412445724E-13 -8.377433017957842E-13 5.81801758210884E-9 -6.033138910872848E-9 7.692217322182683E-9 -2.760658792119962E-11
i 8.700831419855898E-16 -1.496542615995227E-15 4.064451545623346E-12 2.881408834423006E-11 -2.760658792119962E-11 2.291347930357223E-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 18.06   n/a E2021B25  

312555 (2009 FS66)          Discovered 2009-Mar-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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