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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198568450161521 5.7084e-08  
a 2.360383545391952 1.2917e-08 au
q 2.077475420613233 1.3691e-07 au
i 1.391013456714342 6.0758e-06 deg
node 358.7091797905811 0.00021679 deg
peri 150.4995588532977 0.00021819 deg
M 28.7457530809951 2.2262e-05 deg
tp 2458894.734632068186
(2020-Feb-15.23463207)
8.1889e-05 TDB
period 1324.562009148619
3.63
1.0872e-05
2.977e-08
d
yr
n .2717879551984093 2.2309e-09 deg/d
Q 2.643291670170671 1.4465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6615 days (18.11 yr)  
   first obs. used      2002-03-13  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:30  

Additional Information
 Earth MOID = 1.08876 au 
 Jupiter MOID = 2.35125 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120054254236361 5.7279e-08  
q 2.076935698951218 1.374e-07 au
tp 2457571.359737494961
(2016-Jul-01.85973749)
8.1967e-05 TDB
node 358.7396328305836 0.00021657 deg
peri 150.8635505300598 0.00021796 deg
i 1.392261237390556 6.0771e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6615 days (18.11 yr)  
   first obs. used      2002-03-13  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:30  

Additional Information
 Jupiter MOID = 2.35125 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.280831280618535E-15 -7.843815175344398E-15 7.095553536546707E-13 1.012575755146805E-14 2.544303702348466E-13 -1.36470436427328E-15
q -7.843815175344398E-15 1.88789400088466E-14 -1.786914177095919E-12 -2.668113894275849E-14 -6.412870300244267E-13 3.316261525415756E-15
tp 7.095553536546707E-13 -1.786914177095919E-12 6.718621023616402E-9 6.667087542017656E-12 2.032954923693801E-9 1.004242486483827E-12
node 1.012575755146805E-14 -2.668113894275849E-14 6.667087542017656E-12 4.690472234577432E-8 -4.688752163329809E-8 -2.904397608782416E-10
peri 2.544303702348466E-13 -6.412870300244267E-13 2.032954923693801E-9 -4.688752163329809E-8 4.750657689841612E-8 2.906388508675231E-10
i -1.36470436427328E-15 3.316261525415756E-15 1.004242486483827E-12 -2.904397608782416E-10 2.906388508675231E-10 3.693129098517317E-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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