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123751 (2001 AR27)
Classification: Main-belt Asteroid          SPK-ID: 2123751
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 .1365015386070679 4.466e-08  
a 2.786260558846727 1.7259e-08 au
q 2.40593170560396 1.2336e-07 au
i 10.11434589246141 5.1032e-06 deg
node 61.24732802806582 2.9649e-05 deg
peri 15.58760361175625 3.8602e-05 deg
M 86.26149036142655 2.2899e-05 deg
tp 2458593.452141404498
(2019-Apr-19.95214140)
0.00010742 TDB
period 1698.756055342946
4.65
1.5784e-05
4.321e-08
d
yr
n .2119197743947543 1.969e-09 deg/d
Q 3.166589412089493 1.9614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2000-12-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:03:15  

Additional Information
 Earth MOID = 1.42254 au 
 Jupiter MOID = 2.12533 au 
 T_jup = 3.295 
[ 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 15.2   n/a MPO469288  
diameter diameter 2.555 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123751 (2001 AR27)          Discovered 2001-Jan-05 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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