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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 
[ show covariance matrix ]

[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1976-Sep-02 03:08 00:05 Hebe 0.0100041034014566 0.00994878375127972 0.0100600029908872 5.97785907079043 5.97785896683823 2443023.630801632 4.89335741026281 4703.07150379548 87.8351108123569 -53.8939436503794 13762.3590404585 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 04:47:06 2019-Sep-24 04:47
2126-Jul-23 10:23 00:03 Eunom 0.0102872607220991 0.0101986451494582 0.0103758819430711 5.52559531174416 5.52559506479073 2497768.932330491 3.14289582993164 4432.94675302236 76.8012615926959 -4.91534939726426 1748.863519951 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 04:47:06 2019-Sep-24 04:47
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