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277541 (2005 YK56)
Classification: Main-belt Asteroid          SPK-ID: 2277541
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2717595519777025 5.885e-07  
a 2.551409878676755 4.9551e-08 au
q 1.858039873136076 1.5341e-06 au
i 7.743500030320731 8.9792e-06 deg
node 71.63514280036918 5.1601e-05 deg
peri 326.1099905252307 5.3256e-05 deg
M 241.4446373041907 3.1558e-05 deg
tp 2459490.715996312727
(2021-Oct-03.21599631)
0.00012049 TDB
period 1488.568333474635
4.08
4.3365e-05
1.187e-07
d
yr
n .2418431132144828 7.0453e-09 deg/d
Q 3.244779884217435 6.3017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6367 days (17.43 yr)  
   first obs. used      2001-12-21  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:03  

Additional Information
 Earth MOID = .87185 au 
 Jupiter MOID = 2.18968 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456796.5 (2014-May-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723577961135525 5.8753e-07  
q 1.856301918148005 1.5298e-06 au
tp 2456517.422109929314
(2013-Aug-12.92210993)
0.00018379 TDB
node 71.66749917243425 5.1575e-05 deg
peri 326.4503560096556 5.3318e-05 deg
i 7.746203684312952 8.9822e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6367 days (17.43 yr)  
   first obs. used      2001-12-21  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:03  

Additional Information
 Jupiter MOID = 2.18968 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.451973572037103E-13 -8.987353531089248E-13 1.033495055880302E-10 3.574305810167916E-12 -3.610348941819509E-12 -6.07929589183176E-14
q -8.987353531089248E-13 2.34014929475347E-12 -2.69233460258793E-10 -9.313227438898212E-12 9.373341721019707E-12 1.596220428214534E-13
tp 1.033495055880302E-10 -2.69233460258793E-10 3.377769615217447E-8 1.092244313006972E-9 -3.28279989719979E-10 -2.658887316289869E-11
node 3.574305810167916E-12 -9.313227438898212E-12 1.092244313006972E-9 2.659962978754573E-9 -2.629786390081572E-9 -2.067122847190265E-11
peri -3.610348941819509E-12 9.373341721019707E-12 -3.28279989719979E-10 -2.629786390081572E-9 2.842758161134756E-9 1.834728836365933E-11
i -6.07929589183176E-14 1.596220428214534E-13 -2.658887316289869E-11 -2.067122847190265E-11 1.834728836365933E-11 8.068009051514456E-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 16.6   n/a MPO437263  

277541 (2005 YK56)          Discovered 2005-Dec-22 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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