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123746 (2001 AC23)
Classification: Main-belt Asteroid          SPK-ID: 2123746
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08624171309037204 4.3684e-08  
a 3.042178401544638 2.6506e-08 au
q 2.779815724668899 1.2754e-07 au
i 6.77088455874844 4.8567e-06 deg
node 74.69479565161973 4.4684e-05 deg
peri 146.4886857024129 5.4377e-05 deg
M 127.7235207003241 3.1532e-05 deg
tp 2458312.887401196380
(2018-Jul-13.38740120)
0.00016828 TDB
period 1938.096712430158
5.31
2.5329e-05
6.935e-08
d
yr
n .1857492444474559 2.4276e-09 deg/d
Q 3.304541078420378 2.8792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1997-04-30  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:20:12  

Additional Information
 Earth MOID = 1.77392 au 
 Jupiter MOID = 1.68357 au 
 T_jup = 3.223 
[ 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 15.0   n/a MPO439793  

123746 (2001 AC23)          Discovered 2001-Jan-03 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 AC23 = 1997 LY7 = 2002 HO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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