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28133 Kylebardwell (1998 SS130)
Classification: Main-belt Asteroid          SPK-ID: 2028133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304197287579866 3.1708e-08  
a 2.206027836634484 6.5657e-09 au
q 1.918318284548047 7.19e-08 au
i 2.546323901737189 3.544e-06 deg
node 344.0647191861274 7.4677e-05 deg
peri 262.7949436586833 7.6381e-05 deg
M 41.33242291246098 1.4267e-05 deg
tp 2459063.094766991858
4.7555e-05 TDB
period 1196.781615916786
n .3008067597397247 1.3429e-09 deg/d
Q 2.493737388720922 7.422e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      10634 days (29.11 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:49:51  

Additional Information
 Earth MOID = .905252 au 
 Jupiter MOID = 2.52858 au 
 T_jup = 3.649 
[ 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 14.69   n/a E2021B10  
diameter diameter 3.358 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.46284 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.309   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

28133 Kylebardwell           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kyle Thomas Bardwell (b. 1993) was awarded first place in the 2011 Intel International Science and Engineering Fair for his animal sciences project. He attends the Ossining High School, Ossining, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Dec-16 15:32 00:02 Amphi 0.0395326354967148 0.0395313607152895 0.0395339119357392 3.34549438790203 3.3454943444353 2425962.147238819 2.22801376707428 497.165493464372 36.5572375704983 83.9724940576039 160764.871635064 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:49:55 2021-Apr-13 05:49

Alternate Designations
 1998 SS130 = 1991 PO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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