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24919 Teruyoshi (1997 ER17)
Classification: Main-belt Asteroid          SPK-ID: 2024919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871397206311281 3.5861e-08  
a 2.360944658069789 6.8427e-09 au
q 1.919118134333055 8.4475e-08 au
i 2.113050759928018 2.9107e-06 deg
node 284.5637117947005 0.00011368 deg
peri 306.9462945077814 0.00011399 deg
M 203.2407904764335 8.8825e-06 deg
tp 2459973.475937580283
(2023-Jan-28.97593758)
3.3084e-05 TDB
period 1325.034351475697
3.63
5.7605e-06
1.577e-08
d
yr
n .2716910694421366 1.1812e-09 deg/d
Q 2.802771181806523 8.1232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      8715 days (23.86 yr)  
   first obs. used      1997-03-03  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:05:01  

Additional Information
 Earth MOID = .909734 au 
 Jupiter MOID = 2.19566 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867204052615199 3.5936e-08  
q 1.920315671010637 8.4629e-08 au
tp 2457323.116167279755
(2015-Oct-27.61616728)
3.3031e-05 TDB
node 284.5971806664774 0.00011373 deg
peri 306.9657645833686 0.00011404 deg
i 2.112303134214177 2.91e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      8715 days (23.86 yr)  
   first obs. used      1997-03-03  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:05:01  

Additional Information
 Jupiter MOID = 2.19566 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.291405846283902E-15 -3.034600389523392E-15 -4.82564979921458E-13 -1.195728138942467E-14 -1.023220291730496E-13 -7.384648468361985E-16
q -3.034600389523392E-15 7.162082008461919E-15 1.108143145644578E-12 2.87792773676968E-14 2.332117714695487E-13 1.769650440100516E-15
tp -4.82564979921458E-13 1.108143145644578E-12 1.091045755618843E-9 3.921962698218247E-12 2.990467673766061E-10 5.068717716022152E-13
node -1.195728138942467E-14 2.87792773676968E-14 3.921962698218247E-12 1.293475215812216E-8 -1.292511501802132E-8 -1.948084899697585E-11
peri -1.023220291730496E-13 2.332117714695487E-13 2.990467673766061E-10 -1.292511501802132E-8 1.300605631588798E-8 1.959876122253002E-11
i -7.384648468361985E-16 1.769650440100516E-15 5.068717716022152E-13 -1.948084899697585E-11 1.959876122253002E-11 8.468375975928494E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.43   n/a E2021B10  

24919 Teruyoshi           Discovered 1997 Mar. 3 by K. Endate and K. Watanabe at Kitami.
Teruyoshi Ibi (b. 1956), is a science teacher at a junior high school in Kitakyushu. He is also a well-known amateur astronomer and acted as a branch director of the Fukuoka Astronomical Society.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

Alternate Designations
 1997 ER17 = 1998 RR41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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