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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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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