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21363 Jotwani (1997 HX11)
Classification: Main-belt Asteroid          SPK-ID: 2021363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03641374285367579 4.4e-08  
a 2.972422378353818 1.7829e-08 au
q 2.86418535421593 1.3467e-07 au
i 9.871042254362079 5.7175e-06 deg
node 39.23080164021516 2.9959e-05 deg
peri 79.96860567733745 9.4039e-05 deg
M 317.6118750860154 8.79e-05 deg
tp 2459420.897119946440
(2021-Jul-25.39711995)
0.00045699 TDB
period 1871.820547422744
5.12
1.6841e-05
4.611e-08
d
yr
n .1923261289634167 1.7304e-09 deg/d
Q 3.080659402491705 1.8479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      9628 days (26.36 yr)  
   first obs. used      1994-10-27  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:44:05  

Additional Information
 Earth MOID = 1.90151 au 
 Jupiter MOID = 1.96283 au 
 T_jup = 3.239 
[ 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 14.6   n/a MPO319352  

21363 Jotwani           Discovered 1997 Apr. 30 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Pooja Sunil Jotwani (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her materials science project. She attends the Charles W. Flanagan High School, Pembroke Pines, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1997 HX11 = 1999 VR90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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