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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737926340537755 3.7675e-08  
a 2.416161120323471 8.881e-09 au
q 1.996250114924134 9.3029e-08 au
i 2.081068002398849 4.561e-06 deg
node 133.8232305846904 0.00010515 deg
peri 157.3934432961118 0.00010589 deg
M 278.2295261560759 1.2708e-05 deg
tp 2458912.088397689078
(2020-Mar-03.58839769)
4.8789e-05 TDB
period 1371.78883642244
3.76
7.5633e-06
2.071e-08
d
yr
n .2624310611382892 1.4469e-09 deg/d
Q 2.836072125722808 1.0424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      10450 days (28.61 yr)  
   first obs. used      1990-09-28  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:35:27  

Additional Information
 Earth MOID = .979548 au 
 Jupiter MOID = 2.33924 au 
 T_jup = 3.495 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO431841  
rotation period rot_per 2.54 h n/a LCDB (Rev. 2019-January); 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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