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108190 (2001 HL16)
Classification: Main-belt Asteroid          SPK-ID: 2108190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729039307908763 4.2359e-08  
a 2.352116305401119 9.8744e-09 au
q 1.945426150519952 1.0264e-07 au
i 6.662595399615499 4.551e-06 deg
node 126.7185081751755 4.372e-05 deg
peri 151.5771736077784 4.6297e-05 deg
M 72.83669238876925 1.5415e-05 deg
tp 2458733.915846236290
(2019-Sep-07.41584624)
5.612e-05 TDB
period 1317.609191294542
3.61
8.2972e-06
2.272e-08
d
yr
n .2732221377769098 1.7205e-09 deg/d
Q 2.758806460282285 1.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      13098 days (35.86 yr)  
   first obs. used      1983-07-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57456  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:06  

Additional Information
 Earth MOID = .931958 au 
 Jupiter MOID = 2.38308 au 
 T_jup = 3.528 
[ 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 15.9   n/a MPO474952  
rotation period rot_per 8.384 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

108190 (2001 HL16)          Discovered 2001-Apr-23 by Yeung, W. K. Y. at Desert Beaver
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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