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118749 (2000 QD171)
Classification: Main-belt Asteroid          SPK-ID: 2118749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095589144752277 4.0149e-08  
a 2.713418459191232 1.5074e-08 au
q 2.416139278285195 1.0788e-07 au
i 6.094051824403794 5.2054e-06 deg
node 307.3050708397426 3.925e-05 deg
peri 76.05357814036762 4.6485e-05 deg
M 121.6775874965062 2.3808e-05 deg
tp 2458448.700021537038
(2018-Nov-26.20002154)
0.00010745 TDB
period 1632.576683461694
4.47
1.3604e-05
3.725e-08
d
yr
n .2205103157768128 1.8375e-09 deg/d
Q 3.010697640097268 1.6725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10429 days (28.55 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:23:00  

Additional Information
 Earth MOID = 1.42799 au 
 Jupiter MOID = 2.45816 au 
 T_jup = 3.345 
[ 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 15.3   n/a MPO302622  

118749 (2000 QD171)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 QD171 = 2001 YM117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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