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135150 (2001 QC218)
Classification: Main-belt Asteroid          SPK-ID: 2135150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099901727309954 3.1033e-08  
a 3.049154186906229 1.7215e-08 au
q 2.408861772514352 9.3876e-08 au
i 2.328648995209774 4.4091e-06 deg
node 156.3971394295538 8.8477e-05 deg
peri 269.7625601285919 8.9175e-05 deg
M 163.1113890990201 1.0989e-05 deg
tp 2458319.351124531687
(2018-Jul-19.85112453)
5.667e-05 TDB
period 1944.766683189864
5.32
1.6469e-05
4.509e-08
d
yr
n .185112179837181 1.5676e-09 deg/d
Q 3.689446601298106 2.0829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:44  

Additional Information
 Earth MOID = 1.42343 au 
 Jupiter MOID = 1.63955 au 
 T_jup = 3.202 
[ show covariance matrix ]

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 14.93   n/a MPCxxxxx  
rotation period rot_per 10.619 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.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

135150 (2001 QC218)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 QC218 = 1998 ER17 = 2002 YE31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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