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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593166328874666 2.7817e-08  
a 2.643435956391869 1.0139e-08 au
q 2.222292640565857 7.2557e-08 au
i 5.600288443413553 4.1386e-06 deg
node 131.1640716482968 3.8948e-05 deg
peri 321.4737840179257 4.4026e-05 deg
M 58.50899208588403 1.7896e-05 deg
tp 2458745.364005885942
(2019-Sep-18.86400589)
7.7957e-05 TDB
period 1569.826356711763
4.30
9.0321e-06
2.473e-08
d
yr
n .2293247265602509 1.3194e-09 deg/d
Q 3.064579272217882 1.1755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:20  

Additional Information
 Earth MOID = 1.24219 au 
 Jupiter MOID = 2.12022 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581328352085092 2.7867e-08  
q 2.225557214275659 7.264e-08 au
tp 2457177.256978756831
(2015-Jun-03.75697876)
7.884e-05 TDB
node 131.2090749339725 3.8917e-05 deg
peri 321.9276480332077 4.4059e-05 deg
i 5.601659152278385 4.1401e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:20  

Additional Information
 Jupiter MOID = 2.12022 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.765931412093878E-16 -2.010634392884494E-15 8.405413538278107E-14 -4.069194063497138E-15 5.933626348502086E-15 -8.96306190346496E-16
q -2.010634392884494E-15 5.276575420277779E-15 -2.927841834716582E-13 9.666548654268941E-15 -3.615826545171904E-14 2.39277150882308E-15
tp 8.405413538278107E-14 -2.927841834716582E-13 6.215668782912281E-9 1.07096714929635E-11 1.643058453655527E-9 1.188252694146427E-12
node -4.069194063497138E-15 9.666548654268941E-15 1.07096714929635E-11 1.51456651881604E-9 -1.504032712380121E-9 6.069124987212447E-11
peri 5.933626348502086E-15 -3.615826545171904E-14 1.643058453655527E-9 -1.504032712380121E-9 1.941165810529137E-9 -6.004779715617976E-11
i -8.96306190346496E-16 2.39277150882308E-15 1.188252694146427E-12 6.069124987212447E-11 -6.004779715617976E-11 1.714077678526246E-11

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 15.5   n/a MPO453930  

146504 (2001 SH45)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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