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305596 (2008 YQ108)
Classification: Main-belt Asteroid          SPK-ID: 2305596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200840622870171 6.0453e-08  
a 2.360771195690006 2.1111e-08 au
q 2.077280200381372 1.5e-07 au
i 1.39091753110219 6.5158e-06 deg
node 358.7194393225339 0.00026615 deg
peri 150.5209828588941 0.0002679 deg
M 280.0298835527744 3.3839e-05 deg
tp 2458894.809649098043
(2020-Feb-15.30964910)
0.00012692 TDB
period 1324.888325568661
3.63
1.7771e-05
4.865e-08
d
yr
n .2717210145583274 3.6447e-09 deg/d
Q 2.644262190998641 2.3646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6051 days (16.57 yr)  
   first obs. used      2002-03-13  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:52  

Additional Information
 Earth MOID = 1.08904 au 
 Jupiter MOID = 2.3518 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456719.5 (2014-Mar-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198170464660776 6.0601e-08  
q 2.07805896620691 1.503e-07 au
tp 2456245.975208335283
(2012-Nov-14.47520834)
0.00010901 TDB
node 358.7445950221012 0.00026587 deg
peri 150.7203816421452 0.00026762 deg
i 1.392207174576337 6.5162e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6051 days (16.57 yr)  
   first obs. used      2002-03-13  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:52  

Additional Information
 Jupiter MOID = 2.3518 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.672526383849997E-15 -9.046442154748507E-15 -5.043961257631372E-13 3.591567553855614E-14 -1.353689431873127E-13 -1.572192724170964E-15
q -9.046442154748507E-15 2.258989353207822E-14 1.97266120213228E-12 -8.628613274750801E-14 5.585371321490025E-13 4.469115906478332E-15
tp -5.043961257631372E-13 1.97266120213228E-12 1.188375323908347E-8 4.178199842428775E-11 3.373997648629355E-9 4.54295021468237E-12
node 3.591567553855614E-14 -8.628613274750801E-14 4.178199842428775E-11 7.068594513303932E-8 -7.065184394342865E-8 -3.889927857228334E-11
peri -1.353689431873127E-13 5.585371321490025E-13 3.373997648629355E-9 -7.065184394342865E-8 7.162280225102311E-8 4.018856731699306E-11
i -1.572192724170964E-15 4.469115906478332E-15 4.54295021468237E-12 -3.889927857228334E-11 4.018856731699306E-11 4.246133603180136E-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 17.6   n/a MPO460267  

305596 (2008 YQ108)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 YQ108 = 2002 EN71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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