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423283 (2005 AH28)
Classification: Inner Main-belt Asteroid          SPK-ID: 2423283
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08175956490549106 8.6498e-08  
a 1.872921348787503 1.1782e-08 au
q 1.719792114208431 1.6809e-07 au
i 19.69558146470952 7.2122e-06 deg
node 316.1405430231363 2.4591e-05 deg
peri 144.7042049074312 8.0639e-05 deg
M 16.04682205212758 7.3109e-05 deg
tp 2458958.768473334767
(2020-Apr-19.26847333)
0.00019016 TDB
period 936.2196172351728
2.56
8.8343e-06
2.419e-08
d
yr
n .3845251620160937 3.6284e-09 deg/d
Q 2.026050583366574 1.2745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2000-02-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:04:23  

Additional Information
 Earth MOID = .751538 au 
 Jupiter MOID = 3.05874 au 
 T_jup = 3.904 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458227.5 (2018-Apr-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08140722418694991 8.6402e-08  
q 1.7204582747325 1.6777e-07 au
tp 2458022.448332196523
(2017-Sep-25.94833220)
0.00019219 TDB
node 316.167975192493 2.4596e-05 deg
peri 144.646332025695 8.1061e-05 deg
i 19.6917754276042 7.2131e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2000-02-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:04:23  

Additional Information
 Jupiter MOID = 3.05874 au 
 T_jup = 3.904 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.46538908018674E-15 -1.447411666823861E-14 3.473040814256426E-12 -2.017904650604647E-14 2.029333607572189E-12 -9.099918038615662E-15
q -1.447411666823861E-14 2.814576467885075E-14 -6.748230099817435E-12 4.262965420234809E-14 -3.940914098459237E-12 1.956624907872717E-14
tp 3.473040814256426E-12 -6.748230099817435E-12 3.693519469504328E-8 8.649057802837465E-11 1.482907827571168E-8 3.564134330462719E-10
node -2.017904650604647E-14 4.262965420234809E-14 8.649057802837465E-11 6.049878086385305E-10 -5.388904549337942E-10 9.412416137909371E-11
peri 2.029333607572189E-12 -3.940914098459237E-12 1.482907827571168E-8 -5.388904549337942E-10 6.570822588783096E-9 5.061233165651673E-11
i -9.099918038615662E-15 1.956624907872717E-14 3.564134330462719E-10 9.412416137909371E-11 5.061233165651673E-11 5.202903350981737E-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 17.6   n/a MPO434532  

423283 (2005 AH28)          Discovered 2005-Jan-10 by Endate, K. at Kitami
Reference: Last Updated: 2015-02-04

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