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227525 (2005 YU57)
Classification: Main-belt Asteroid          SPK-ID: 2227525
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06650886157669497 4.0924e-08  
a 2.898482642162623 2.2866e-08 au
q 2.705707861332576 1.2085e-07 au
i 3.184072792146713 4.3766e-06 deg
node 80.14959817780409 8.0019e-05 deg
peri 260.3909957518285 8.7093e-05 deg
M 134.7290948345312 3.4452e-05 deg
tp 2458525.951200079884
(2019-Feb-11.45120008)
0.00017269 TDB
period 1802.413712268201
4.93
2.1328e-05
5.839e-08
d
yr
n .1997321688964335 2.3635e-09 deg/d
Q 3.09125742299267 2.4386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      7345 days (20.11 yr)  
   first obs. used      2001-01-24  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:07  

Additional Information
 Earth MOID = 1.69735 au 
 Jupiter MOID = 2.1747 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457556.5 (2016-Jun-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0675533765621833 4.1057e-08  
q 2.702565357789932 1.2113e-07 au
tp 2456711.812188464210
(2014-Feb-23.31218846)
0.0001717 TDB
node 80.25094018650252 8.0162e-05 deg
peri 258.0585758664917 8.6987e-05 deg
i 3.182228952022904 4.3707e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      7345 days (20.11 yr)  
   first obs. used      2001-01-24  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:07  

Additional Information
 Jupiter MOID = 2.1747 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.685658581044659E-15 -4.896073033466419E-15 1.446781050853634E-12 -1.133938115448371E-14 2.520679300927328E-13 3.185784777132231E-16
q -4.896073033466419E-15 1.467218269176882E-14 -4.704402852400889E-12 3.372912286907882E-14 -7.894794150044988E-13 -7.070821521676033E-16
tp 1.446781050853634E-12 -4.704402852400889E-12 2.947942421009342E-8 -3.228583460370939E-11 5.813665555301642E-9 -2.413796887152366E-12
node -1.133938115448371E-14 3.372912286907882E-14 -3.228583460370939E-11 6.42589041250396E-9 -6.421892620302236E-9 -5.340008461742556E-11
peri 2.520679300927328E-13 -7.894794150044988E-13 5.813665555301642E-9 -6.421892620302236E-9 7.566675990595901E-9 5.284026539134409E-11
i 3.185784777132231E-16 -7.070821521676033E-16 -2.413796887152366E-12 -5.340008461742556E-11 5.284026539134409E-11 1.910276478858015E-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 16.25   n/a MPCxxxxx  

227525 (2005 YU57)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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