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115170 (2003 SF81)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115170
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995717033291911 4.3844e-08  
a 3.937983296935105 3.0609e-08 au
q 3.152073262683863 1.6835e-07 au
i 9.700532982548221 4.573e-06 deg
node 31.68323333943812 2.545e-05 deg
peri 357.7381208686722 2.7587e-05 deg
M 70.29023728468719 1.0678e-05 deg
tp 2458643.183706516521
(2019-Jun-08.68370652)
8.2502e-05 TDB
period 2854.36318619116
7.81
3.3279e-05
9.111e-08
d
yr
n .1261227028647259 1.4705e-09 deg/d
Q 4.723893331186348 3.6717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      8452 days (23.14 yr)  
   first obs. used      1998-01-28  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:15  

Additional Information
 Earth MOID = 2.15629 au 
 Jupiter MOID = .732384 au 
 T_jup = 3.002 
[ 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 13.25   n/a E2021B55  
diameter diameter 10.380 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 36.6387 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.113   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

115170 (2003 SF81)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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