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190904 (2001 UQ78)
Classification: Main-belt Asteroid          SPK-ID: 2190904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231478488258215 5.1694e-08  
a 2.377827363858789 1.0743e-08 au
q 2.085003039120405 1.2507e-07 au
i 8.228250222440838 4.9934e-06 deg
node 37.61096985111671 3.8917e-05 deg
peri 340.9603521129794 4.4813e-05 deg
M 91.02915979431607 2.2672e-05 deg
tp 2458861.853227296198
(2020-Jan-13.35322730)
8.343e-05 TDB
period 1339.272365567643
3.67
9.0764e-06
2.485e-08
d
yr
n .2688026791678151 1.8217e-09 deg/d
Q 2.670651688597173 1.2066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      9098 days (24.91 yr)  
   first obs. used      1996-04-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:36  

Additional Information
 Earth MOID = 1.08825 au 
 Jupiter MOID = 2.78736 au 
 T_jup = 3.516 
[ 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 16.8   n/a MPO503010  

190904 (2001 UQ78)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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