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85723 (1998 SH67)
Classification: Main-belt Asteroid          SPK-ID: 2085723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735693814555204 4.1154e-08  
a 2.345059759358553 1.045e-08 au
q 1.938029187450457 9.7841e-08 au
i 5.843867529612449 5.2094e-06 deg
node 169.10436104 4.272e-05 deg
peri 147.0661035440357 4.4998e-05 deg
M 60.87587817559226 1.5654e-05 deg
tp 2458778.694639956777
(2019-Oct-22.19463996)
5.6348e-05 TDB
period 1311.684233699903
3.59
8.7676e-06
2.4e-08
d
yr
n .27445629881861 1.8345e-09 deg/d
Q 2.752090331266648 1.2264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:18  

Additional Information
 Earth MOID = .927869 au 
 Jupiter MOID = 2.55161 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .172652818088137 4.0914e-08  
q 1.941564384705951 9.7148e-08 au
tp 2456154.158306232789
(2012-Aug-14.65830623)
5.1584e-05 TDB
node 169.22715557374 4.2798e-05 deg
peri 146.9561672138136 4.5115e-05 deg
i 5.836318871662684 5.2043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:18  

Additional Information
 Jupiter MOID = 2.55161 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.673929435929071E-15 -3.95888934207518E-15 3.431325005821879E-13 1.634934711341136E-15 9.935178007866609E-14 -4.544574409247242E-16
q -3.95888934207518E-15 9.437790665555271E-15 -7.321365329806099E-13 -3.559786751934614E-15 -2.10358552747038E-13 1.06516791786281E-15
tp 3.431325005821879E-13 -7.321365329806099E-13 2.660916845170963E-9 -3.358405887592593E-12 7.508138051158168E-10 4.50148357775128E-13
node 1.634934711341136E-15 -3.559786751934614E-15 -3.358405887592593E-12 1.831648650139933E-9 -1.822677322435914E-9 2.44650449599803E-11
peri 9.935178007866609E-14 -2.10358552747038E-13 7.508138051158168E-10 -1.822677322435914E-9 2.035327165041475E-9 -2.422110090607888E-11
i -4.544574409247242E-16 1.06516791786281E-15 4.50148357775128E-13 2.44650449599803E-11 -2.422110090607888E-11 2.708521502765418E-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 15.9   n/a MPO474743  

85723 (1998 SH67)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SH67 = 2001 LQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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