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34739 (2001 QO75)
Classification: Main-belt Asteroid          SPK-ID: 2034739
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860843887473279 3.5956e-08  
a 3.141109556944072 1.9449e-08 au
q 2.556598105051744 1.1334e-07 au
i .5597812247642623 4.3004e-06 deg
node 291.9304805652848 0.00055313 deg
peri 157.8964297579389 0.00055333 deg
M 90.37245574920705 1.5345e-05 deg
tp 2458490.045970856590
(2019-Jan-06.54597086)
8.4982e-05 TDB
period 2033.401095147732
5.57
1.8886e-05
5.171e-08
d
yr
n .1770432802751319 1.6443e-09 deg/d
Q 3.725621008836399 2.3069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1992-03-26  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:34:01  

Additional Information
 Earth MOID = 1.57315 au 
 Jupiter MOID = 1.48751 au 
 T_jup = 3.183 
[ 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 14.2   n/a MPO302267  
rotation period rot_per 11.345 h n/a LCDB (Rev. 2019-August); 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.]

34739 (2001 QO75)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 QO75 = 1992 FN2 = 1998 HO69 = 1998 KA69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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