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JPL Small-Body Database Browser
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56558 (2000 HK100)
Classification: Main-belt Asteroid          SPK-ID: 2056558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01792626606935945 3.9079e-08  
a 2.895645460038828 1.9951e-08 au
q 2.84373734907964 1.1462e-07 au
i 2.847132024151285 4.3681e-06 deg
node 145.684825477495 8.7957e-05 deg
peri 161.0352239258312 0.00015343 deg
M 221.4977939409272 0.00012704 deg
tp 2459292.921742066425
(2021-Mar-19.42174207)
0.00063609 TDB
period 1799.767918769436
4.93
1.86e-05
5.092e-08
d
yr
n .2000257901286208 2.0672e-09 deg/d
Q 2.947553570998017 2.0308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      9214 days (25.23 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:42  

Additional Information
 Earth MOID = 1.82807 au 
 Jupiter MOID = 2.07793 au 
 T_jup = 3.287 
[ 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 14.9   n/a MPO432120  
rotation period rot_per 3.537 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

56558 (2000 HK100)          Discovered 2000-Apr-24 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HK100 = 2001 QA42 = 2002 UT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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