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JPL Small-Body Database Browser
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193818 (2001 QH)
Classification: Main-belt Asteroid          SPK-ID: 2193818
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771633527942055 4.7873e-08  
a 2.225359006905302 1.1955e-08 au
q 1.831106944071176 1.0737e-07 au
i 5.598397332942313 5.4625e-06 deg
node 313.1511671448332 4.4301e-05 deg
peri 356.5078226547342 4.771e-05 deg
M 252.2418341286343 2.1103e-05 deg
tp 2459363.449533374315
(2021-May-28.94953337)
7.3329e-05 TDB
period 1212.546918910337
3.32
9.7711e-06
2.675e-08
d
yr
n .2968957278152308 2.3925e-09 deg/d
Q 2.619611069739429 1.4073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:57:58  

Additional Information
 Earth MOID = .816637 au 
 Jupiter MOID = 2.63642 au 
 T_jup = 3.619 
[ 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 16.5   n/a MPO257858  

193818 (2001 QH)          Discovered 2001-Aug-16 by Tesi, L., Forti, G. at San Marcello
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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