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JPL Small-Body Database Browser
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193854 (2001 QH117)
Classification: Main-belt Asteroid          SPK-ID: 2193854
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344738761025925 9.8234e-08  
a 2.312654494792194 1.2613e-08 au
q 2.001662880791404 2.2954e-07 au
i 6.373971622931905 6.5918e-06 deg
node 308.0248733506424 5.3346e-05 deg
peri 6.845777405547462 5.7996e-05 deg
M 39.84110848443364 2.4287e-05 deg
tp 2458458.334743881526
(2018-Dec-05.83474388)
8.6585e-05 TDB
period 1284.590066630472
3.52
1.0509e-05
2.877e-08
d
yr
n .2802450441986473 2.2926e-09 deg/d
Q 2.623646108792983 1.4309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1996-02-10  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59859  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:38:09  

Additional Information
 Earth MOID = .987073 au 
 Jupiter MOID = 2.63134 au 
 T_jup = 3.563 
[ 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 16.2   n/a MPO449957  

193854 (2001 QH117)          Discovered 2001-Aug-17 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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