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20480 Antonschraut (1999 NT31)
Classification: Main-belt Asteroid          SPK-ID: 2020480
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954194770914763 2.6046e-08  
a 2.422044485244183 7.0773e-09 au
q 1.948729818445471 6.365e-08 au
i 1.626440280618409 3.6524e-06 deg
node 118.86038924103 0.00010364 deg
peri 264.235697392607 0.0001041 deg
M 183.51714426882 1.0449e-05 deg
tp 2459875.450031517585
(2022-Oct-22.95003152)
4.1323e-05 TDB
period 1376.802354764944
3.77
6.0346e-06
1.652e-08
d
yr
n .2614754389067422 1.1461e-09 deg/d
Q 2.895359152042895 8.4603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1755  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1991-05-18  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:03:54  

Additional Information
 Earth MOID = .951588 au 
 Jupiter MOID = 2.56101 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456935.5 (2014-Oct-05.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944430781729532 2.6092e-08  
q 1.951938286626376 6.3791e-08 au
tp 2457118.130552244697
(2015-Apr-05.63055224)
3.7237e-05 TDB
node 118.8888567163406 0.00010361 deg
peri 263.6810251218607 0.00010408 deg
i 1.626287706069317 3.6542e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1755  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1991-05-18  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:03:54  

Additional Information
 Jupiter MOID = 2.56101 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.807887812850686E-16 -1.657739868498331E-15 -2.262842101413228E-13 3.139680624881136E-15 -7.101129797965366E-14 6.064047751831581E-18
q -1.657739868498331E-15 4.069233527695543E-15 6.008255342945129E-13 -8.033587374743108E-15 1.839166712586147E-13 1.772060361777118E-17
tp -2.262842101413228E-13 6.008255342945129E-13 1.386570741954078E-9 -9.620665455590341E-12 3.727003207738655E-10 9.258956460839452E-14
node 3.139680624881136E-15 -8.033587374743108E-15 -9.620665455590341E-12 1.073605919661793E-8 -1.073385839874141E-8 7.042576527902957E-11
peri -7.101129797965366E-14 1.839166712586147E-13 3.727003207738655E-10 -1.073385839874141E-8 1.083236892603915E-8 -7.037347020177595E-11
i 6.064047751831581E-18 1.772060361777118E-17 9.258956460839452E-14 7.042576527902957E-11 -7.037347020177595E-11 1.335306745935085E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.74   n/a E2021B10  

20480 Antonschraut           Discovered 1999 July 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Anton H. Schraut (b. 1990) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Aquinas Academy of Pittsburgh, Gibsonia, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

Alternate Designations
 1999 NT31 = 1991 KU2 = 1992 WH3 = 1998 HY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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