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123755 (2001 AD33)
Classification: Main-belt Asteroid          SPK-ID: 2123755
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021074690383655 4.8339e-08  
a 2.680394451438234 1.4634e-08 au
q 2.138666712833575 1.2756e-07 au
i 11.79577611244584 5.8572e-06 deg
node 312.8779193879875 2.1747e-05 deg
peri 245.3847507643022 2.5361e-05 deg
M 85.02745752237226 1.24e-05 deg
tp 2458621.923907299445
(2019-May-18.42390730)
5.4721e-05 TDB
period 1602.863326077229
4.39
1.3127e-05
3.594e-08
d
yr
n .2245980640664147 1.8394e-09 deg/d
Q 3.222122190042894 1.7592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:21:43  

Additional Information
 Earth MOID = 1.16929 au 
 Jupiter MOID = 1.90403 au 
 T_jup = 3.317 
[ 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 14.8   n/a MPO241008  
diameter diameter 2.764 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123755 (2001 AD33)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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