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312495 (2009 AP49)
Classification: Main-belt Asteroid          SPK-ID: 2312495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09319803839782385 5.9558e-08  
a 2.230041731638373 1.9552e-08 au
q 2.022206216704391 1.3479e-07 au
i 6.638023334049082 4.7983e-06 deg
node 91.04445115965801 5.5956e-05 deg
peri 96.31035571904032 6.1603e-05 deg
M 101.6988210127258 2.5792e-05 deg
tp 2458656.877708492666
(2019-Jun-22.37770849)
8.6661e-05 TDB
period 1216.376195031413
3.33
1.5997e-05
4.38e-08
d
yr
n .2959610698322677 3.8923e-09 deg/d
Q 2.437877246572356 2.1374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:46:31  

Additional Information
 Earth MOID = 1.03551 au 
 Jupiter MOID = 2.53737 au 
 T_jup = 3.628 
[ 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 17.3   n/a MPO427650  

312495 (2009 AP49)          Discovered 2009-Jan-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 AP49 = 2001 YR143 = 2006 HO105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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