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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315874463766944 2.6193e-08  
a 2.709146773997488 1.0811e-08 au
q 2.352657068147499 7.1318e-08 au
i 4.153917656031371 7.9904e-07 deg
node 289.5623009069083 1.1472e-05 deg
peri 81.92145682800353 1.4431e-05 deg
M 165.8123950426289 6.4177e-06 deg
tp 2458450.326496960598
(2018-Nov-27.82649696)
2.6638e-05 TDB
period 1628.722997606746
4.46
9.7497e-06
2.669e-08
d
yr
n .2210320604111232 1.3231e-09 deg/d
Q 3.065636479847477 1.2234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      10817 days (29.62 yr)  
   first obs. used      1991-08-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49985  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:07:43  

Additional Information
 Earth MOID = 1.35545 au 
 Jupiter MOID = 2.42849 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 13.69   n/a E2021B10  
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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