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15744 (1991 PU)
Classification: Main-belt Asteroid          SPK-ID: 2015744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313847791170234 3.8326e-08  
a 2.709597233380618 1.1498e-08 au
q 2.353597399376807 1.0486e-07 au
i 4.154040240069831 3.8222e-06 deg
node 289.5646409700814 5.4161e-05 deg
peri 81.93693418657651 5.5973e-05 deg
M 121.6028384537678 1.3762e-05 deg
tp 2458450.203502346803
(2018-Nov-27.70350235)
6.2083e-05 TDB
period 1629.129234762634
4.46
1.037e-05
2.839e-08
d
yr
n .2209769441970959 1.4066e-09 deg/d
Q 3.065597067384428 1.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1966  
   data-arc span      10412 days (28.51 yr)  
   first obs. used      1991-08-03  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:26:46  

Additional Information
 Earth MOID = 1.35788 au 
 Jupiter MOID = 2.42751 au 
 T_jup = 3.347 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO502290  
diameter diameter 9.942 km 2.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.073   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

15744 (1991 PU)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PU = 1992 YQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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