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JPL Small-Body Database Browser
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193909 (2001 QH249)
Classification: Main-belt Asteroid          SPK-ID: 2193909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224407246024495 5.5352e-08  
a 2.343348603478365 9.7744e-09 au
q 1.817484196896439 1.2834e-07 au
i 1.307348713718637 5.9347e-06 deg
node 306.4776836071695 0.00027377 deg
peri 59.80069409811457 0.00027429 deg
M 329.214871218442 1.3681e-05 deg
tp 2458712.544940752511
(2019-Aug-17.04494075)
4.9882e-05 TDB
period 1310.248820367692
3.59
8.1978e-06
2.244e-08
d
yr
n .2747569731823716 1.7191e-09 deg/d
Q 2.869213010060292 1.1968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1999-01-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:48:30  

Additional Information
 Earth MOID = .815541 au 
 Jupiter MOID = 2.59257 au 
 T_jup = 3.528 
[ 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 17.3   n/a MPO454348  

193909 (2001 QH249)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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