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15786 (1993 RS)
Classification: Inner Main-belt Asteroid          SPK-ID: 2015786
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04790009402863355 1.1586e-08  
a 1.883214701343881 5.1806e-09 au
q 1.793008540073404 2.3583e-08 au
i 22.48159393420234 5.113e-07 deg
node 351.4848756411807 2.1779e-06 deg
peri 46.02909265652053 1.6614e-05 deg
M 162.6129213550183 1.7422e-05 deg
tp 2458774.116164548595
(2019-Oct-17.61616455)
4.5201e-05 TDB
period 943.9482390663599
2.58
3.8951e-06
1.066e-08
d
yr
n .38137684366684 1.5737e-09 deg/d
Q 1.973420862614358 5.4288e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1608  
   data-arc span      24842 days (68.01 yr)  
   first obs. used      1953-02-11  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:08:58  

Additional Information
 Earth MOID = .808824 au 
 Jupiter MOID = 3.15058 au 
 T_jup = 3.874 
[ 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 14.35   n/a E2021B10  
diameter diameter 3.841 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.82 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 108-114.]
geometric albedo albedo 0.274   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

15786 (1993 RS)          Discovered 1993-Sep-15 by Endate, K., Watanabe, K. at Kitami
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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