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15746 (1991 PN8)
Classification: Main-belt Asteroid          SPK-ID: 2015746
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 .2327541240633622 2.894e-08  
a 2.766138151266929 1.0541e-08 au
q 2.122308088830547 7.9274e-08 au
i 1.962324420557079 3.5778e-06 deg
node 175.1172803112796 8.6084e-05 deg
peri 213.7724494035899 8.6553e-05 deg
M 89.1222081604009 6.8207e-06 deg
tp 2458784.500638176942
(2019-Oct-28.00063818)
3.2288e-05 TDB
period 1680.386666214165
4.60
9.6054e-06
2.63e-08
d
yr
n .2142364059642676 1.2246e-09 deg/d
Q 3.40996821370331 1.2995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1702  
   data-arc span      14055 days (38.48 yr)  
   first obs. used      1982-09-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47084  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:07:45  

Additional Information
 Earth MOID = 1.12648 au 
 Jupiter MOID = 2.03883 au 
 T_jup = 3.298 
[ 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 14.54   n/a E2021B10  
diameter diameter 6.475 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.073   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15746 (1991 PN8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PN8 = 1982 SU9 = 1996 TM14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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