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30191 Sivakumar (2000 GJ98)
Classification: Main-belt Asteroid          SPK-ID: 2030191
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07396337904761774 3.9609e-08  
a 2.365923351130531 8.6007e-09 au
q 2.190931665513253 9.2681e-08 au
i 5.246731778419896 3.7866e-06 deg
node 251.0148995949505 5.2033e-05 deg
peri 15.30745701118537 6.3061e-05 deg
M 185.8861490975087 3.6357e-05 deg
tp 2459843.380500371856
(2022-Sep-20.88050037)
0.00013401 TDB
period 1329.227852547352
3.64
7.2481e-06
1.984e-08
d
yr
n .27083392761451 1.4768e-09 deg/d
Q 2.540915036747808 9.2368e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      10694 days (29.28 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:27:49  

Additional Information
 Earth MOID = 1.17385 au 
 Jupiter MOID = 2.50352 au 
 T_jup = 3.539 
[ 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 14.79   n/a MPCxxxxx  

30191 Sivakumar           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Aditya Diwakar Sivakumar (b. 2000) is a finalist in the 2014 Broadcom MASTERS, a math and science competition for middle school students, for his physical sciences project. He attends the International Connections Academy, Baltimore, Maryland.
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 2015-01-05Last Updated: 2015-01-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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