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448756 (2011 QA12)
Classification: Main-belt Asteroid          SPK-ID: 2448756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025164408724021 5.3782e-08  
a 2.407576569695718 1.8704e-08 au
q 1.920002731673154 1.3484e-07 au
i 5.576308267446519 6.6596e-06 deg
node 202.6382055606242 5.978e-05 deg
peri 39.81036566846569 6.2348e-05 deg
M 252.9250184999372 1.8414e-05 deg
tp 2459606.339296399883
(2022-Jan-26.83929640)
7.2561e-05 TDB
period 1364.484444985612
3.74
1.59e-05
4.353e-08
d
yr
n .2638359135004987 3.0745e-09 deg/d
Q 2.895150407718281 2.2492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6474 days (17.72 yr)  
   first obs. used      2003-05-23  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:06:15  

Additional Information
 Earth MOID = .910075 au 
 Jupiter MOID = 2.1237 au 
 T_jup = 3.487 
[ 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 17.8   n/a MPO207823  

448756 (2011 QA12)          Discovered 2007-Jun-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2011 QA12 = 2007 LV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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