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541822 (2012 AF19)
Classification: Main-belt Asteroid          SPK-ID: 2541822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737336445088849 9.4639e-08  
a 2.542494593154548 2.1506e-08 au
q 1.846528282026219 2.4279e-07 au
i 3.366402462797898 1.4989e-05 deg
node 297.2759133011639 9.1786e-05 deg
peri 119.0499989799889 9.9447e-05 deg
M 120.3717635720191 3.2549e-05 deg
tp 2458705.379843922996
(2019-Aug-09.87984392)
0.00013602 TDB
period 1480.772989431842
4.05
1.8788e-05
5.144e-08
d
yr
n .2431162660105845 3.0846e-09 deg/d
Q 3.238460904282877 2.7392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6416 days (17.57 yr)  
   first obs. used      2002-07-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:33  

Additional Information
 Earth MOID = .860602 au 
 Jupiter MOID = 2.14217 au 
 T_jup = 3.389 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.52   n/a E2021B25  

541822 (2012 AF19)          Discovered 2008-Jan-15 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 AF19 = 2008 CW128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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