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30298 Somyakhare (2000 HJ81)
Classification: Main-belt Asteroid          SPK-ID: 2030298
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933757735804049 4.9074e-08  
a 2.290677665442897 8.2901e-09 au
q 1.847716099864521 1.0987e-07 au
i 7.618355710222692 4.1285e-06 deg
node 17.08716654600361 2.5854e-05 deg
peri 351.842510594477 2.7428e-05 deg
M 186.7286219044795 1.0312e-05 deg
tp 2459809.993007833388
(2022-Aug-18.49300783)
3.8317e-05 TDB
period 1266.322720068978
3.47
6.8744e-06
1.882e-08
d
yr
n .2842877208902881 1.5433e-09 deg/d
Q 2.733639231021273 9.8932e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      9165 days (25.09 yr)  
   first obs. used      1996-02-17  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5187  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:28:19  

Additional Information
 Earth MOID = .846127 au 
 Jupiter MOID = 2.72931 au 
 T_jup = 3.562 
[ 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 15.55   n/a E2021B10  

30298 Somyakhare           Discovered 2000 Apr. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Somya Khare (b. 1997) is a finalist in the 2015 Intel Science Talent Search, a science competition for high school seniors, for her microbiology project. She attends the Lynbrook High School, San Jose, California.
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 2015-06-02Last Updated: 2015-06-04

Alternate Designations
 2000 HJ81 = 1998 XD48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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