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JPL Small-Body Database Browser
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193894 (2001 QH225)
Classification: Main-belt Asteroid          SPK-ID: 2193894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475859471201906 6.3174e-08  
a 2.288035080747618 1.1697e-08 au
q 1.950353256311259 1.4017e-07 au
i 5.755953598976922 5.9666e-06 deg
node 338.814179938341 5.0807e-05 deg
peri 63.41372997716342 5.6739e-05 deg
M 110.2029838099965 2.1529e-05 deg
tp 2458613.524653409384
(2019-May-10.02465341)
7.5037e-05 TDB
period 1264.132058464143
3.46
9.6939e-06
2.654e-08
d
yr
n .284780373687684 2.1838e-09 deg/d
Q 2.625716905183977 1.3423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      9281 days (25.41 yr)  
   first obs. used      1994-09-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:10  

Additional Information
 Earth MOID = .96626 au 
 Jupiter MOID = 2.78259 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469859217958314 6.3301e-08  
q 1.952048775024869 1.4052e-07 au
tp 2457347.407556837893
(2015-Nov-20.90755684)
7.4579e-05 TDB
node 338.9024197133465 5.0722e-05 deg
peri 62.94349815811599 5.6741e-05 deg
i 5.761202182511585 5.9701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      9281 days (25.41 yr)  
   first obs. used      1994-09-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:10  

Additional Information
 Jupiter MOID = 2.78259 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.00706882333892E-15 -8.877308823943477E-15 -1.656921573437466E-12 7.989792823424818E-14 -7.841846670314087E-13 -6.868160810443101E-15
q -8.877308823943477E-15 1.974505911984912E-14 3.834061108997949E-12 -1.789473952932473E-13 1.779598533276534E-12 1.529971795908125E-14
tp -1.656921573437466E-12 3.834061108997949E-12 5.561988245897693E-9 -1.008631128311947E-10 1.896711425535E-9 1.662995381199705E-12
node 7.989792823424818E-14 -1.789473952932473E-13 -1.008631128311947E-10 2.572759733720446E-9 -2.593585286785019E-9 8.309093339360436E-12
peri -7.841846670314087E-13 1.779598533276534E-12 1.896711425535E-9 -2.593585286785019E-9 3.21950878613256E-9 -7.478551624463247E-12
i -6.868160810443101E-15 1.529971795908125E-14 1.662995381199705E-12 8.309093339360436E-12 -7.478551624463247E-12 3.564152945479537E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO360008  

193894 (2001 QH225)          Discovered 2001-Aug-24 by Yeung, W. K. Y. at Desert Eagle
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 QH225 = 1994 RM27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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