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190898 (2001 UH31)
Classification: Main-belt Asteroid          SPK-ID: 2190898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2239824069019245 3.7759e-08  
a 2.325158096490643 1.0434e-08 au
q 1.804363589611171 8.736e-08 au
i 9.010522241113959 4.7111e-06 deg
node 85.78381732439702 2.9726e-05 deg
peri 226.9155868983474 3.1732e-05 deg
M 196.8483299261839 1.3945e-05 deg
tp 2459787.402799679263
(2022-Jul-26.90279968)
5.2469e-05 TDB
period 1295.022035563235
3.55
8.7171e-06
2.387e-08
d
yr
n .2779875477898163 1.8712e-09 deg/d
Q 2.845952603370114 1.2771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      2001-09-17  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:34  

Additional Information
 Earth MOID = .80148 au 
 Jupiter MOID = 2.44901 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457450.5 (2016-Mar-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246133612456789 3.7725e-08  
q 1.802335097497003 8.7304e-08 au
tp 2457198.047632033549
(2015-Jun-24.54763203)
4.399e-05 TDB
node 85.81532996178277 2.9744e-05 deg
peri 226.9449049128038 3.1743e-05 deg
i 9.009279545558046 4.7104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      2001-09-17  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:34  

Additional Information
 Jupiter MOID = 2.44901 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.423164471216165E-15 -3.279617816424368E-15 2.647117834159613E-13 1.267247864748621E-15 4.762636395116737E-14 -3.022619940447379E-15
q -3.279617816424368E-15 7.621950297732076E-15 -5.001499788673421E-13 -2.936138778375395E-15 -8.212623435510667E-14 7.541275059733932E-15
tp 2.647117834159613E-13 -5.001499788673421E-13 1.935116600109327E-9 1.776593429809063E-11 5.083696812814366E-10 -1.662490222670796E-12
node 1.267247864748621E-15 -2.936138778375395E-15 1.776593429809063E-11 8.847152016626028E-10 -8.686866929861361E-10 -2.180066879431711E-11
peri 4.762636395116737E-14 -8.212623435510667E-14 5.083696812814366E-10 -8.686866929861361E-10 1.007603390249585E-9 2.104669327972889E-11
i -3.022619940447379E-15 7.541275059733932E-15 -1.662490222670796E-12 -2.180066879431711E-11 2.104669327972889E-11 2.218746056673149E-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 16.16   n/a MPCxxxxx  

190898 (2001 UH31)          Discovered 2001-Oct-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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