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305284 (2007 YW68)
Classification: Main-belt Asteroid          SPK-ID: 2305284
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 .0987836448291327 6.0018e-08  
a 2.658503601958682 2.8801e-08 au
q 2.395886926365825 1.7205e-07 au
i 5.801839496470341 7.727e-06 deg
node 6.627604919762438 4.5153e-05 deg
peri 45.20037308805723 6.2306e-05 deg
M 353.6060837403692 4.2884e-05 deg
tp 2459028.620222310760
(2020-Jun-28.12022231)
0.00018883 TDB
period 1583.267534451284
4.33
2.5729e-05
7.044e-08
d
yr
n .2273778702376829 3.695e-09 deg/d
Q 2.921120277551538 3.1646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-03-25  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:33  

Additional Information
 Earth MOID = 1.41024 au 
 Jupiter MOID = 2.40518 au 
 T_jup = 3.373 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09857775183011538 6.1319e-08  
q 2.397119155162393 1.7595e-07 au
tp 2457437.659038762868
(2016-Feb-19.15903876)
0.00017667 TDB
node 6.745902427680441 4.5009e-05 deg
peri 43.58267297019351 6.2103e-05 deg
i 5.812586800040156 7.7368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-03-25  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:33  

Additional Information
 Jupiter MOID = 2.40518 au 
 T_jup = 3.373 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.760076769316226E-15 -1.069076521950682E-14 -6.699180797659671E-12 1.859713576691567E-14 -1.610285804053467E-12 -3.135643218322659E-16
q -1.069076521950682E-14 3.095971270337164E-14 1.962545974167446E-11 -5.673177239153968E-14 4.701234974502613E-12 2.369945738787875E-15
tp -6.699180797659671E-12 1.962545974167446E-11 3.121097079168655E-8 -6.100098040116784E-11 7.571380965697853E-9 -3.498946602241976E-12
node 1.859713576691567E-14 -5.673177239153968E-14 -6.100098040116784E-11 2.025772233174234E-9 -2.029244155004934E-9 -2.384226350609274E-11
peri -1.610285804053467E-12 4.701234974502613E-12 7.571380965697853E-9 -2.029244155004934E-9 3.856833114645698E-9 2.280655012366149E-11
i -3.135643218322659E-16 2.369945738787875E-15 -3.498946602241976E-12 -2.384226350609274E-11 2.280655012366149E-11 5.985736340870897E-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 17.2   n/a MPO455250  

305284 (2007 YW68)          Discovered 2007-Dec-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 YW68 = 2000 FP72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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