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103217 (1999 YK1)
Classification: Main-belt Asteroid          SPK-ID: 2103217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .231729971036351 5.3769e-08  
a 2.325940289120874 9.5472e-09 au
q 1.786950213290612 1.2785e-07 au
i 27.15389893666181 5.3669e-06 deg
node 56.65978699709207 7.1639e-06 deg
peri 330.2264730804576 1.0466e-05 deg
M 17.91304389502984 5.8722e-06 deg
tp 2459136.029185286228
(2020-Oct-13.52918529)
2.1233e-05 TDB
period 1295.675566529352
3.55
7.9774e-06
2.184e-08
d
yr
n .2778473325419807 1.7107e-09 deg/d
Q 2.864930364951135 1.176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      15891 days (43.51 yr)  
   first obs. used      1977-07-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:43  

Additional Information
 Earth MOID = .821539 au 
 Jupiter MOID = 2.60794 au 
 T_jup = 3.395 
[ 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 15.01   n/a E2021B55  

103217 (1999 YK1)          Discovered 1999-Dec-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 YK1 = 1977 OO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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