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135147 (2001 QS217)
Classification: Main-belt Asteroid          SPK-ID: 2135147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680680393033011 2.7784e-08  
a 2.542282748601107 1.088e-08 au
q 2.115006271689111 6.859e-08 au
i 2.403700079899065 5.393e-06 deg
node 135.9483376418332 7.1564e-05 deg
peri 270.5950415526081 7.4118e-05 deg
M 227.9397830472444 1.9515e-05 deg
tp 2459743.629895310021
(2022-Jun-13.12989531)
8.1985e-05 TDB
period 1480.587922868226
4.05
9.5049e-06
2.602e-08
d
yr
n .2431466544064471 1.5609e-09 deg/d
Q 2.969559225513102 1.2709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:43  

Additional Information
 Earth MOID = 1.12536 au 
 Jupiter MOID = 2.41596 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678047722789619 2.7779e-08  
q 2.116127467871591 6.8471e-08 au
tp 2456784.568982514993
(2014-May-07.06898252)
7.4797e-05 TDB
node 135.9606593910017 7.1562e-05 deg
peri 271.007174967917 7.4123e-05 deg
i 2.403431643243344 5.3929e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:43  

Additional Information
 Jupiter MOID = 2.41596 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.716471402903127E-16 -1.886850780585334E-15 2.910733413639203E-13 -4.031081985385906E-15 5.653659732782154E-14 4.580798015912103E-16
q -1.886850780585334E-15 4.68822146639314E-15 -5.753796101608156E-13 8.176213412523616E-15 -9.77125194108989E-14 -1.162587939500381E-15
tp 2.910733413639203E-13 -5.753796101608156E-13 5.594606935323469E-9 -5.070167983820798E-11 1.448862665404605E-9 -5.438367020577834E-13
node -4.031081985385906E-15 8.176213412523616E-15 -5.070167983820798E-11 5.121188156663362E-9 -5.128956010699972E-9 -5.051877324883974E-12
peri 5.653659732782154E-14 -9.77125194108989E-14 1.448862665404605E-9 -5.128956010699972E-9 5.494147778931173E-9 4.900606075958045E-12
i 4.580798015912103E-16 -1.162587939500381E-15 -5.438367020577834E-13 -5.051877324883974E-12 4.900606075958045E-12 2.908344896704736E-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 15.96   n/a E2021B55  
rotation period rot_per 5.93 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

135147 (2001 QS217)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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