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305320 (2008 AW66)
Classification: Main-belt Asteroid          SPK-ID: 2305320
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 .08207023040046227 5.8506e-08  
a 2.774213120217617 3.1736e-08 au
q 2.546532810261372 1.6605e-07 au
i 3.38572064134873 7.3894e-06 deg
node 334.2303180857854 0.0001081 deg
peri 101.2153795386851 0.00012169 deg
M 290.7414834065367 5.9344e-05 deg
tp 2459325.197424277093
(2021-Apr-20.69742428)
0.00028169 TDB
period 1687.750164010669
4.62
2.8961e-05
7.929e-08
d
yr
n .213301712348537 3.6601e-09 deg/d
Q 3.001893430173863 3.434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7933 days (21.72 yr)  
   first obs. used      1997-11-30  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:36  

Additional Information
 Earth MOID = 1.56436 au 
 Jupiter MOID = 2.18645 au 
 T_jup = 3.329 
[ show covariance matrix ]

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 16.5   n/a MPO413264  

305320 (2008 AW66)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2097-Feb-18 16:28 00:23 Iris 0.0423405233790855 0.0423204781370764 0.0423605769251468 2.23413178774643 2.2341317269738 2487023.185969102 23.1613618068629 1368.53283610299 72.4769638102276 -43.2344398062397 59853.9725205957 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:37 2019-Sep-24 05:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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