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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07304236389240355 7.6696e-08  
a 2.778800936448923 4.6639e-08 au
q 2.575830747264269 2.0122e-07 au
i 6.579970030994481 7.3359e-06 deg
node 100.7181875545804 7.3877e-05 deg
peri 322.1642013986173 9.5017e-05 deg
M 310.0043111230351 6.3828e-05 deg
tp 2459631.471201562400
(2022-Feb-20.97120156)
0.00030301 TDB
period 1691.938534353068
4.63
4.2595e-05
1.166e-07
d
yr
n .212773686922173 5.3567e-09 deg/d
Q 2.981771125633577 5.0045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2007-10-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:12  

Additional Information
 Earth MOID = 1.59282 au 
 Jupiter MOID = 2.24135 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457558.5 (2016-Jun-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07619765571082945 7.7708e-08  
q 2.567231091206655 2.0574e-07 au
tp 2457932.439688388342
(2017-Jun-27.93968839)
0.00026862 TDB
node 100.7641580405947 7.3828e-05 deg
peri 320.8981476274828 9.3083e-05 deg
i 6.582464978268041 7.3424e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2007-10-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:12  

Additional Information
 Jupiter MOID = 2.24135 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.038558340682257E-15 -1.568758792853242E-14 -6.407331795396323E-15 1.183871442745243E-14 -2.26610088919944E-13 5.673495967897924E-15
q -1.568758792853242E-14 4.232823706599322E-14 4.92371930698216E-12 -4.269067315924066E-14 1.554262053405896E-12 -1.340917387389216E-14
tp -6.407331795396323E-15 4.92371930698216E-12 7.215532376240482E-8 -1.744750689100601E-10 1.529395640629928E-8 -2.015126232412004E-12
node 1.183871442745243E-14 -4.269067315924066E-14 -1.744750689100601E-10 5.450637071560838E-9 -5.45188253802291E-9 -5.581829933155844E-11
peri -2.26610088919944E-13 1.554262053405896E-12 1.529395640629928E-8 -5.45188253802291E-9 8.66451164969914E-9 5.468918857902919E-11
i 5.673495967897924E-15 -1.340917387389216E-14 -2.015126232412004E-12 -5.581829933155844E-11 5.468918857902919E-11 5.391045886449519E-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 17.15   n/a MPCxxxxx  

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

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