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136756 (1996 AO18)
Classification: Main-belt Asteroid          SPK-ID: 2136756
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2561819504836353 4.6449e-08  
a 2.394333888466588 8.6581e-09 au
q 1.780948762810151 1.1407e-07 au
i 4.804886436216129 3.9502e-06 deg
node 97.57621588839764 5.7978e-05 deg
peri 281.0608275953422 5.8494e-05 deg
M 244.1095079204136 9.6795e-06 deg
tp 2459436.133030786509
(2021-Aug-09.63303079)
3.8005e-05 TDB
period 1353.242084565862
3.70
7.3401e-06
2.01e-08
d
yr
n .2660277891930125 1.443e-09 deg/d
Q 3.007719014123026 1.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8979 days (24.58 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:11  

Additional Information
 Earth MOID = .790848 au 
 Jupiter MOID = 2.46487 au 
 T_jup = 3.480 
[ 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 16.7   n/a MPO436674  

136756 (1996 AO18)          Discovered 1996-Jan-14 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1996 AO18 = 1995 WG36 = 1999 XD224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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