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30028 Yushihomma (2000 DL42)
Classification: Main-belt Asteroid          SPK-ID: 2030028
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736278360525062 3.0346e-08  
a 2.41610315126854 6.1323e-09 au
q 1.996600389434143 7.217e-08 au
i 2.081600633304763 3.763e-06 deg
node 133.81099733 9.7524e-05 deg
peri 157.1828772615762 9.8292e-05 deg
M 75.85260698065547 1.2524e-05 deg
tp 2458911.472181189032
(2020-Mar-02.97218119)
4.7536e-05 TDB
period 1371.739468341334
3.76
5.2224e-06
1.43e-08
d
yr
n .2624405058748519 9.9915e-10 deg/d
Q 2.835605913102938 7.1971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1679  
   data-arc span      11107 days (30.41 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50321  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:57  

Additional Information
 Earth MOID = .978611 au 
 Jupiter MOID = 2.33931 au 
 T_jup = 3.495 
[ 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 15.11   n/a E2021B10  
rotation period rot_per 2.54 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

30028 Yushihomma           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Yushi Homma (b. 1995) is a finalist in the 2014 Intel Science Talent Search, a science competition for high school seniors, for his mathematics project. He attends the Carmel High School, Carmel, Indiana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-04-15Last Updated: 2014-04-17

Alternate Designations
 2000 DL42 = 1986 PD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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