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305777 (2009 DO47)
Classification: Main-belt Asteroid          SPK-ID: 2305777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2132624802408497 5.0157e-08  
a 2.354031995717083 1.8523e-08 au
q 1.852005293744141 1.1828e-07 au
i 9.447700901421516 7.6607e-06 deg
node 343.6230024651049 3.2225e-05 deg
peri 96.88025976664316 3.6143e-05 deg
M 97.736817209517 1.7335e-05 deg
tp 2458642.343645930139
(2019-Jun-07.84364593)
6.1808e-05 TDB
period 1319.219216937983
3.61
1.557e-05
4.263e-08
d
yr
n .2728886870186668 3.2208e-09 deg/d
Q 2.856058697690026 2.2473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-01-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Earth MOID = .895476 au 
 Jupiter MOID = 2.44666 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457587.5 (2016-Jul-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124062202479643 5.0314e-08  
q 1.855123971178249 1.1871e-07 au
tp 2457323.289028364511
(2015-Oct-27.78902836)
5.8225e-05 TDB
node 343.6640357980786 3.2196e-05 deg
peri 97.06252673734969 3.6149e-05 deg
i 9.450631039681269 7.6621e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-01-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Jupiter MOID = 2.44666 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.531486662059444E-15 -5.927499495246579E-15 1.360986323949219E-12 1.122168028768157E-14 3.487141871180156E-13 -1.334344307236533E-14
q -5.927499495246579E-15 1.409154404513548E-14 -3.10214052040375E-12 -2.603446785954798E-14 -7.837061350380433E-13 3.182576609428038E-14
tp 1.360986323949219E-12 -3.10214052040375E-12 3.390101717060252E-9 2.628135014899737E-11 9.78065149544761E-10 -1.860903425304087E-11
node 1.122168028768157E-14 -2.603446785954798E-14 2.628135014899737E-11 1.036579199865221E-9 -1.013961198991986E-9 -1.016780131994228E-10
peri 3.487141871180156E-13 -7.837061350380433E-13 9.78065149544761E-10 -1.013961198991986E-9 1.306776042473433E-9 9.496056159142558E-11
i -1.334344307236533E-14 3.182576609428038E-14 -1.860903425304087E-11 -1.016780131994228E-10 9.496056159142558E-11 5.870837884325192E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO413264  

305777 (2009 DO47)          Discovered 2009-Jan-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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