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277581 (2005 YK236)
Classification: Main-belt Asteroid          SPK-ID: 2277581
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 .1255136518512803 4.8822e-08  
a 2.804379260007378 2.5611e-08 au
q 2.452391377907861 1.4168e-07 au
i 4.355606290579247 6.3393e-06 deg
node 332.7970354489615 7.3758e-05 deg
peri 128.0562360766712 7.9187e-05 deg
M 33.72777170066096 2.7292e-05 deg
tp 2458839.791556260648
(2019-Dec-22.29155626)
0.00012954 TDB
period 1715.353159397511
4.70
2.3498e-05
6.433e-08
d
yr
n .2098693193455533 2.875e-09 deg/d
Q 3.156367142106896 2.8826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      7453 days (20.41 yr)  
   first obs. used      1999-08-21  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:13:05  

Additional Information
 Earth MOID = 1.47218 au 
 Jupiter MOID = 1.98107 au 
 T_jup = 3.308 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456785.5 (2014-May-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242462809376837 4.9206e-08  
q 2.455604675693315 1.4255e-07 au
tp 2457128.191998386477
(2015-Apr-15.69199839)
0.00012743 TDB
node 332.8522986293485 7.3666e-05 deg
peri 128.8162971511314 7.915e-05 deg
i 4.359154246118145 6.3412e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      7453 days (20.41 yr)  
   first obs. used      1999-08-21  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:13:05  

Additional Information
 Jupiter MOID = 1.98107 au 
 T_jup = 3.308 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.421187706130347E-15 -6.929135889804487E-15 5.924326108554591E-13 -1.281495178036269E-14 1.466063972888442E-13 -4.278954159537936E-15
q -6.929135889804487E-15 2.032061798836942E-14 -1.588265882583186E-12 3.891552486511057E-14 -4.219507862958276E-13 1.278326962617011E-14
tp 5.924326108554591E-13 -1.588265882583186E-12 1.623743610397621E-8 2.068281140043662E-11 3.718280173975943E-9 1.683274247788069E-12
node -1.281495178036269E-14 3.891552486511057E-14 2.068281140043662E-11 5.426629584503922E-9 -5.405567195363021E-9 2.167206865372825E-11
peri 1.466063972888442E-13 -4.219507862958276E-13 3.718280173975943E-9 -5.405567195363021E-9 6.26473305076826E-9 -2.119440559188811E-11
i -4.278954159537936E-15 1.278326962617011E-14 1.683274247788069E-12 2.167206865372825E-11 -2.119440559188811E-11 4.021098743899407E-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 16.9   n/a MPO413220  

277581 (2005 YK236)          Discovered 2005-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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