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135098 (2001 QE78)
Classification: Main-belt Asteroid          SPK-ID: 2135098
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2491031345247706 4.2036e-08  
a 3.135728209724443 1.9283e-08 au
q 2.354608483664337 1.3363e-07 au
i 1.801508486785414 5.0508e-06 deg
node 351.2364412170861 0.00013131 deg
peri 45.39743579287849 0.00013163 deg
M 168.7332236437458 1.0912e-05 deg
tp 2458249.886123848950
(2018-May-11.38612385)
5.5568e-05 TDB
period 2028.177901329765
5.55
1.8708e-05
5.122e-08
d
yr
n .1774992222151557 1.6373e-09 deg/d
Q 3.916847935784549 2.4087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1997-02-08  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:42  

Additional Information
 Earth MOID = 1.36117 au 
 Jupiter MOID = 1.5302 au 
 T_jup = 3.162 
[ 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 14.75   n/a MPCxxxxx  
rotation period rot_per 6.799 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.]

135098 (2001 QE78)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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