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305591 (2008 YA88)
Classification: Main-belt Asteroid          SPK-ID: 2305591
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384635096234378 4.8089e-08  
a 2.211707740398468 1.6145e-08 au
q 1.905466924401573 1.0306e-07 au
i 7.56822402423863 5.5693e-06 deg
node 107.6125012143923 4.6738e-05 deg
peri 309.5162783702706 5.5463e-05 deg
M 84.06537675823553 2.9668e-05 deg
tp 2458319.953602303687
(2018-Jul-20.45360230)
9.7543e-05 TDB
period 1201.406655930778
3.29
1.3155e-05
3.602e-08
d
yr
n .2996487477598445 3.281e-09 deg/d
Q 2.517948556395363 1.838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:50:53  

Additional Information
 Earth MOID = .927876 au 
 Jupiter MOID = 2.78831 au 
 T_jup = 3.633 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376307109766685 4.7953e-08  
q 1.907604274000472 1.0263e-07 au
tp 2457118.371791462264
(2015-Apr-05.87179146)
9.3105e-05 TDB
node 107.6599286567986 4.6717e-05 deg
peri 309.5372955783096 5.5577e-05 deg
i 7.569233573226727 5.5711e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:50:53  

Additional Information
 Jupiter MOID = 2.78831 au 
 T_jup = 3.633 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.299462571789056E-15 -4.88025353189292E-15 -7.828055833065054E-13 -3.636505197493643E-14 -2.88685896222407E-13 -5.428067485070535E-15
q -4.88025353189292E-15 1.053321503939014E-14 2.177440506559845E-12 7.392719781526177E-14 7.717645688069666E-13 1.211245889649559E-14
tp -7.828055833065054E-13 2.177440506559845E-12 8.668532449132912E-9 -1.370811446474615E-11 2.838742293902988E-9 7.830792348614114E-12
node -3.636505197493643E-14 7.392719781526177E-14 -1.370811446474615E-11 2.182469374517301E-9 -2.165581995181323E-9 7.900785986429352E-11
peri -2.88685896222407E-13 7.717645688069666E-13 2.838742293902988E-9 -2.165581995181323E-9 3.088768038691564E-9 -7.556121222728416E-11
i -5.428067485070535E-15 1.211245889649559E-14 7.830792348614114E-12 7.900785986429352E-11 -7.556121222728416E-11 3.103716168264435E-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 17.3   n/a MPO413264  

305591 (2008 YA88)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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