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15057 Whitson (1998 YY15)
Classification: Main-belt Asteroid          SPK-ID: 2015057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510917438953191 3.494e-08  
a 3.180812933904077 1.5988e-08 au
q 2.700218360715724 1.1797e-07 au
i 2.105463315136222 3.71e-06 deg
node 152.2589995176616 0.00010283 deg
peri 301.7996534710955 0.00010398 deg
M 326.0967068525679 1.3844e-05 deg
tp 2459395.639417340654
(2021-Jun-30.13941734)
8.0016e-05 TDB
period 2072.07571067345
5.67
1.5622e-05
4.277e-08
d
yr
n .173738825345815 1.3099e-09 deg/d
Q 3.66140750709243 1.8403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      18241 days (49.94 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:46:20  

Additional Information
 Earth MOID = 1.71748 au 
 Jupiter MOID = 1.52673 au 
 T_jup = 3.181 
[ 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 14.23   n/a E2021B10  
diameter diameter 7.735 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15057 Whitson           Discovered 1998 Dec. 22 by Spacewatch at Kitt Peak.
Peggy Annette Whitson (b. 1960), who has worked for NASA since 1989, was selected as an astronaut in 1996 and was launched to the International Space Station in 2002.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1998 YY15 = 2103 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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