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305300 (2008 AH22)
Classification: Main-belt Asteroid          SPK-ID: 2305300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03928399564232431 6.5419e-08  
a 3.036197275993537 4.2614e-08 au
q 2.91692331543417 2.1188e-07 au
i 10.34161338254759 7.1043e-06 deg
node 125.0289999193049 4.3157e-05 deg
peri 189.6868806799307 0.00010939 deg
M 306.9389444672553 0.0001025 deg
tp 2459285.317579043780
(2021-Mar-11.81757904)
0.00055117 TDB
period 1932.383881667894
5.29
4.0682e-05
1.114e-07
d
yr
n .1862983868863955 3.9221e-09 deg/d
Q 3.155471236552904 4.4288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:54:40  

Additional Information
 Earth MOID = 1.90304 au 
 Jupiter MOID = 2.04945 au 
 T_jup = 3.216 
[ 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 15.8   n/a MPO471205  

305300 (2008 AH22)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 AH22 = 2004 MF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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