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351656 (2005 YF166)
Classification: Main-belt Asteroid          SPK-ID: 2351656
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574910403084138 5.6633e-08  
a 2.252859509052363 1.3956e-08 au
q 1.898054321303004 1.3013e-07 au
i 3.564737599093585 7.3314e-06 deg
node 140.6365759122267 9.5635e-05 deg
peri 284.8096014020998 9.9684e-05 deg
M 128.2451118762258 2.8884e-05 deg
tp 2458560.514959165487
(2019-Mar-18.01495917)
9.6734e-05 TDB
period 1235.092803016907
3.38
1.1477e-05
3.142e-08
d
yr
n .2914760729887211 2.7084e-09 deg/d
Q 2.607664696801722 1.6154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1998-12-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:55:01  

Additional Information
 Earth MOID = .915412 au 
 Jupiter MOID = 2.68185 au 
 T_jup = 3.607 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456904.5 (2014-Sep-04.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565666062642881 5.646e-08  
q 1.900822521772258 1.2967e-07 au
tp 2457324.694586254493
(2015-Oct-29.19458625)
9.1815e-05 TDB
node 140.671369775488 9.5575e-05 deg
peri 284.7533857069641 9.9697e-05 deg
i 3.564942440948298 7.3336e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1998-12-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:55:01  

Additional Information
 Jupiter MOID = 2.68185 au 
 T_jup = 3.607 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.187709777460391E-15 -7.291981962256787E-15 -1.273296463210922E-12 -3.395537059044325E-14 -4.729690887478448E-13 -3.234636965039159E-15
q -7.291981962256787E-15 1.681536751971058E-14 3.377934675911746E-12 7.896438616348077E-14 1.203492124715296E-12 7.466196961791792E-15
tp -1.273296463210922E-12 3.377934675911746E-12 8.429950697326684E-9 1.184898782078581E-11 2.619987821397993E-9 -1.588844022915581E-12
node -3.395537059044325E-14 7.896438616348077E-14 1.184898782078581E-11 9.134676056092884E-9 -9.111586540157481E-9 1.252807119812029E-10
peri -4.729690887478448E-13 1.203492124715296E-12 2.619987821397993E-9 -9.111586540157481E-9 9.93946303067275E-9 -1.253990800592738E-10
i -3.234636965039159E-15 7.466196961791792E-15 -1.588844022915581E-12 1.252807119812029E-10 -1.253990800592738E-10 5.378236567084123E-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 18.0   n/a MPO455545  

351656 (2005 YF166)          Discovered 2005-Dec-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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