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15317 (1993 HW1)
Classification: Main-belt Asteroid          SPK-ID: 2015317
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042375980219404 2.574e-08  
a 2.299475599447846 6.2896e-09 au
q 1.829836226306557 5.8509e-08 au
i 12.51276561496832 6.3132e-07 deg
node 75.87696591069654 4.0204e-06 deg
peri 177.4713086977919 5.913e-06 deg
M 306.3321016844847 6.6012e-06 deg
tp 2459390.368851140975
(2021-Jun-24.86885114)
2.3845e-05 TDB
period 1273.625175498817
3.49
5.2255e-06
1.431e-08
d
yr
n .2826577292326256 1.1597e-09 deg/d
Q 2.769114972589136 7.5742e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3134  
   data-arc span      11696 days (32.02 yr)  
   first obs. used      1989-03-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:55:14  

Additional Information
 Earth MOID = .813679 au 
 Jupiter MOID = 2.28216 au 
 T_jup = 3.533 
[ 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 13.91   n/a E2021B10  
diameter diameter 5.089 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6580 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Hawkins, S.; Ditteon, R. (2008) Minor Planet Bull. 35, 1-4.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.262   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15317 (1993 HW1)          Discovered 1993-Apr-23 by Helin, E. F. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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