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146504 (2001 SH45)
Classification: Main-belt Asteroid          SPK-ID: 2146504
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159273170946234 2.7786e-08  
a 2.642706046789521 9.7708e-09 au
q 2.221793874838567 7.2321e-08 au
i 5.600382538378359 3.5843e-06 deg
node 131.1656208492855 3.6921e-05 deg
peri 321.3545277854526 3.986e-05 deg
M 149.478848693502 1.4206e-05 deg
tp 2458744.948186489923
(2019-Sep-18.44818649)
6.0829e-05 TDB
period 1569.176207294566
4.30
8.7025e-06
2.383e-08
d
yr
n .2294197415984787 1.2723e-09 deg/d
Q 3.063618218740475 1.1327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:20:58  

Additional Information
 Earth MOID = 1.24181 au 
 Jupiter MOID = 2.12179 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457388.5 (2016-Jan-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585991056153718 2.7775e-08  
q 2.22549551976725 7.2281e-08 au
tp 2457177.419503713999
(2015-Jun-03.91950371)
5.9527e-05 TDB
node 131.2078597653964 3.689e-05 deg
peri 321.9720136746586 3.9847e-05 deg
i 5.601091539079357 3.5853e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:20:58  

Additional Information
 Jupiter MOID = 2.12179 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.714505624911708E-16 -1.995062577133722E-15 -1.196110521419633E-14 -8.754161276406171E-16 -2.389117317216369E-14 -3.574178679136155E-16
q -1.995062577133722E-15 5.22457535903356E-15 7.48632117093094E-14 1.76769629394723E-15 7.407487968280507E-14 9.84003877370765E-16
tp -1.196110521419633E-14 7.48632117093094E-14 3.543405410756439E-9 -2.072653612958188E-13 9.096307409209568E-10 1.454623904090142E-13
node -8.754161276406171E-16 1.76769629394723E-15 -2.072653612958188E-13 1.360908148135671E-9 -1.354181546036284E-9 3.541026429167224E-11
peri -2.389117317216369E-14 7.407487968280507E-14 9.096307409209568E-10 -1.354181546036284E-9 1.587770840187252E-9 -3.518250254435596E-11
i -3.574178679136155E-16 9.84003877370765E-16 1.454623904090142E-13 3.541026429167224E-11 -3.518250254435596E-11 1.285417238118534E-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 15.53   n/a MPO614063  

146504 (2001 SH45)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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