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392021 (2009 AW50)
Classification: Main-belt Asteroid          SPK-ID: 2392021
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0738786752286664 7.7533e-08  
a 2.782274320666754 4.6416e-08 au
q 2.576723579733156 2.0484e-07 au
i 6.583636504785017 7.711e-06 deg
node 100.7445327939955 7.4153e-05 deg
peri 321.0008768141962 9.5651e-05 deg
M 227.0814584416495 6.296e-05 deg
tp 2459626.366079679623
(2022-Feb-15.86607968)
0.00030432 TDB
period 1695.111803387895
4.64
4.2419e-05
1.161e-07
d
yr
n .212375372102592 5.3146e-09 deg/d
Q 2.987825061600352 4.9846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2007-10-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:41:52  

Additional Information
 Earth MOID = 1.59404 au 
 Jupiter MOID = 2.24118 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457482.5 (2016-Apr-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07622640510287586 7.784e-08  
q 2.567058084054946 2.0636e-07 au
tp 2457932.535152333868
(2017-Jun-28.03515233)
0.00027452 TDB
node 100.7656475956877 7.4236e-05 deg
peri 320.9248160358741 9.4408e-05 deg
i 6.582637796666175 7.7105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2007-10-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:41:52  

Additional Information
 Jupiter MOID = 2.24118 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.059097094502903E-15 -1.576033993275986E-14 2.54174935002682E-13 8.285622197354715E-15 -1.600459654948497E-13 4.735803572610614E-15
q -1.576033993275986E-14 4.258459691196647E-14 4.00543206171236E-12 -3.255634509139846E-14 1.322290930750189E-12 -1.085248099441317E-14
tp 2.54174935002682E-13 4.00543206171236E-12 7.53592127448786E-8 -1.737966412467118E-10 1.607158481201388E-8 -6.729418573154951E-14
node 8.285622197354715E-15 -3.255634509139846E-14 -1.737966412467118E-10 5.510964499648303E-9 -5.511728138727234E-9 -3.7467230139451E-11
peri -1.600459654948497E-13 1.322290930750189E-12 1.607158481201388E-8 -5.511728138727234E-9 8.912820784018974E-9 3.690543975197164E-11
i 4.735803572610614E-15 -1.085248099441317E-14 -6.729418573154951E-14 -3.7467230139451E-11 3.690543975197164E-11 5.945252361493404E-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 17.1   n/a MPO434450  

392021 (2009 AW50)          Discovered 2009-Jan-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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