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123761 (2001 AD41)
Classification: Main-belt Asteroid          SPK-ID: 2123761
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627104958791892 4.4393e-08  
a 2.799662490663511 1.7561e-08 au
q 2.344128018513286 1.2482e-07 au
i 14.86172838214085 5.0505e-06 deg
node 118.0044159153482 1.7036e-05 deg
peri 17.54066675284177 2.3214e-05 deg
M 41.63903136099514 1.4264e-05 deg
tp 2458802.595776663118
(2019-Nov-15.09577666)
6.727e-05 TDB
period 1711.027323945292
4.68
1.6099e-05
4.408e-08
d
yr
n .2103999129423082 1.9796e-09 deg/d
Q 3.255196962813737 2.0419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1998-06-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:03:42  

Additional Information
 Earth MOID = 1.36271 au 
 Jupiter MOID = 1.82431 au 
 T_jup = 3.258 
[ 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 15.3   n/a MPO432732  
diameter diameter 2.388 km 0.817 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123761 (2001 AD41)          Discovered 2001-Jan-03 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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