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123759 (2001 AC40)
Classification: Inner Main-belt Asteroid          SPK-ID: 2123759
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09902009830307686 4.3325e-08  
a 1.920573455952689 8.5481e-09 au
q 1.730398083545973 8.6004e-08 au
i 16.93915730317669 7.6557e-06 deg
node 301.3875713705564 1.6068e-05 deg
peri 89.72233823038715 4.089e-05 deg
M 173.46228082832 3.8481e-05 deg
tp 2458532.067129961710
(2019-Feb-17.56712996)
0.00010308 TDB
period 972.175809106809
2.66
6.4905e-06
1.777e-08
d
yr
n .3703033922750574 2.4722e-09 deg/d
Q 2.110748828359404 9.3946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:03:41  

Additional Information
 Earth MOID = .818024 au 
 Jupiter MOID = 3.20698 au 
 T_jup = 3.866 
[ 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 16.9   n/a MPO341382  

123759 (2001 AC40)          Discovered 2001-Jan-03 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2001 AC40 = 2002 NG30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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