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268519 (2005 YR199)
Classification: Main-belt Asteroid          SPK-ID: 2268519
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002353646291229686 5.4843e-08  
a 2.694661650982847 2.0876e-08 au
q 2.688319370581893 1.5684e-07 au
i 5.000864584779147 5.379e-06 deg
node 125.0421598242313 6.9286e-05 deg
peri 188.5979107781936 0.001283 deg
M 258.7024752990706 0.0012807 deg
tp 2459455.122705153911
(2021-Aug-28.62270515)
0.0057465 TDB
period 1615.677918474411
4.42
1.8776e-05
5.141e-08
d
yr
n .2228166863479366 2.5894e-09 deg/d
Q 2.701003931383802 2.0926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:36:06  

Additional Information
 Earth MOID = 1.67284 au 
 Jupiter MOID = 2.27313 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .001278120521933118 4.6923e-08  
q 2.692040977566124 1.3452e-07 au
tp 2457757.671370461276
(2017-Jan-04.17137046)
0.012027 TDB
node 125.0583175764394 6.9285e-05 deg
peri 170.4521822143066 0.0026793 deg
i 5.000582520507199 5.3788e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:36:06  

Additional Information
 Jupiter MOID = 2.27313 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.201742681174158E-15 -6.244481356038882E-15 2.286574960149001E-10 3.111615733793409E-15 5.097192875394494E-11 -3.050341242335645E-16
q -6.244481356038882E-15 1.809646988519093E-14 -6.908625049673298E-10 -9.533285353974764E-15 -1.540180179373957E-10 1.014441392651964E-15
tp 2.286574960149001E-10 -6.908625049673298E-10 .000144644158201256 3.804952177785938E-9 3.221317164263551E-5 3.8166409611568E-10
node 3.111615733793409E-15 -9.533285353974764E-15 3.804952177785938E-9 4.800343366058855E-9 -3.934361031590898E-9 1.521675140659437E-10
peri 5.097192875394494E-11 -1.540180179373957E-10 3.221317164263551E-5 -3.934361031590898E-9 7.178857403932412E-6 -6.66156183266497E-11
i -3.050341242335645E-16 1.014441392651964E-15 3.8166409611568E-10 1.521675140659437E-10 -6.66156183266497E-11 2.893135572642425E-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 16.2   n/a MPO433743  

268519 (2005 YR199)          Discovered 2005-Dec-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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